{"id":2185,"date":"2020-09-01T18:07:36","date_gmt":"2020-09-01T10:07:36","guid":{"rendered":"https:\/\/www.study-together.com\/edu\/?page_id=2185"},"modified":"2020-11-02T22:10:08","modified_gmt":"2020-11-02T14:10:08","slug":"formulae-changing-subject","status":"publish","type":"page","link":"https:\/\/www.study-together.com\/edu\/dse-maths-core\/junior_summary\/formulae-changing-subject\/","title":{"rendered":"5. \u516c\u5f0f > \u4e3b\u9805\u8b8a\u63db"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"2185\" class=\"elementor elementor-2185\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-851fda6 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"851fda6\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-66 elementor-top-column elementor-element elementor-element-9076683\" data-id=\"9076683\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-ba1a420 elementor-widget elementor-widget-text-editor\" data-id=\"ba1a420\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2>5.1 \u4e3b\u9805\u8b8a\u63db<\/h2><ul><li>\u4e3b\u9805 (subject)<br \/>\u516c\u5f0f\u5165\u9762\uff1d\u865f\u5de6\u65b9\u55f0\u500b\u8b8a\u6578\u3002<\/li><li>\u4e3b\u9805\u8b8a\u63db(Changing the subject of a formula)<br \/>\u5c07\u516c\u5f0f\u5165\u9762\u5de6\u65b9\u5605\u8b8a\u6578\u8b8a\u6210\u53e6\u5916\u4e00\u500b\u8b8a\u6578\u3002<\/li><\/ul><h3><strong>5.1.1. \u70ba\u4f55\u8981\u505a\u4e3b\u9805\u8b8a\u63db<\/strong><\/h3><p>\u5229\u7528\u516c\u5f0f\uff0c\u6211\u54cb\u53ef\u4ee5\u597d\u5feb\u5481\u6309\u5514\u540c\u5605\u60c5\u5f62(\u5373\u4e0d\u540c\u5605\u8b8a\u6578\u503c)\u569f\u8a08\u51fa\u4e3b\u9805\u5605\u503c\u3002<\/p><p>\u4e0d\u904e\u6709\u6642\uff0c\u6211\u5730\u4fc2\u77e5\u9053\u4e3b\u9805\u5605\u503c\u4f46\u5514\u77e5\u67d0\u4e00\u8b8a\u6578\u5605\u503c\u3002\u6211\u54cb\u7576\u7136\u53ef\u4ee5\u5c07\u6578\u5b57\u4ee3\u5165\u7136\u5f8c\u7576\u505a\u89e3\u65b9\u7a0b\u5481\u8a08\u8fd4\u500b\u8b8a\u503c\u5605\u503c\u51fa\u569f\u3002\u4e0d\u904e\u6b21\u6b21\u505a\u8981\u89e3\u65b9\u7a0b\u5c31\u597d\u7169\u3002<\/p><p>\u4f9d\u500b\u6642\u5019\uff0c\u5982\u679c\u6211\u5730\u6709\u65b9\u6cd5\u5c07\u8981\u8a08\u5605\u672a\u77e5\u6578\u8b8a\u505a\u4e3b\u9805\uff0c\u5481\u6211\u54cb\u5c31\u53ef\u4ee5\u5514\u99db\u6b21\u6b21\u89e3\u65b9\u7a0b\u4e86!! \u800c\u4f9d\u500b\u300c \u5c07\u8981\u8a08\u5605\u672a\u77e5\u6578\u8b8a\u505a\u4e3b\u9805 \u300d\u904e\u7a0b\uff0c\u5c31\u4fc2\u4e3b\u9805\u8b8a\u63db\u4e86\u3002<\/p><h3><strong>5.1.2. \u4f8b\u5b50\u89e3\u8aaa<\/strong><\/h3><h4>\u4f8b1<\/h4><ul><li>\u5c0f\u660e\u53bb\u8cb7n\u679d\u6c7d\u6c34\uff0c\u6bcf\u679d$6\u5143\u3002\u4f62\u7528\u5497\u5e7e\u591a\u9322\u53ef\u4ee5\u7528\u4ee5\u4e0b\u516c\u5f0f\u8a08\uff1a<br \/>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 x = 6n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 (\u7576\u4e2d x\uff1d\u5c0f\u660e\u7e3d\u5171\u7528\u5497\u5e7e\u591a\u9322\uff0cn\uff1d\u6c7d\u6c34\u6578\u91cf)<br \/>\u6709\u5497\u689d\u516c\u5f0f\uff0c\u4ee5\u5f8c\u53ea\u8981\u4ffe\u500bn\u4f60\u4ee3\u5165\u689d\u516c\u5f0f\u5230\uff0c\u7be4\u4e00\u7be4\u8a08\u7b97\u6a5f\u5c31\u53ef\u4ee5\u77e5\u4f62\u7528\u5497\u5e7e\u591a\u9322\u8cb7\u6c7d\u6c34\u3002<\/li><li>\u4f46\u4fc2\u5982\u679c\u6211\u554f\u5c0f\u660e\u5982\u679c\u7528\u5497$24\uff0c\u5481\u4f62\u5176\u5be6\u8cb7\u5497\u5e7e\u591a\u679d\u6c7d\u6c34\u5462\uff1f<br \/>\u5927\u5bb6\u53ef\u4ee5\u7528\u4ee5\u4e0b\u5605\u65b9\u6cd5\uff08\u89e3\u65b9\u7a0b\uff09\u8a08\uff1a<br \/>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 24 = 6n<br \/>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 n = 4\u00a0 <br \/>\u5373\u5c0f\u660e\u8cb7\u4e864\u679d\u6c7d\u6c34\u3002<\/li><\/ul><p>\u7747\u8fd4\u5c0f\u660e\u8cb7\u6c7d\u6c34\u5605\u4f8b\u5b50\uff08x = 6n\uff09\u3002\u7576\u6211\u554f\u201c\u5c0f\u660e\u5982\u679c\u7528\u5497$24\uff0c\u5481\u4f62\u5176\u5be6\u8cb7\u5497\u5e7e\u591a\u679d\u6c7d\u6c34\u5462\uff1f\u201d\uff0c\u4f60\u4e00\u7747\u5c31\u77e5 n = x \/ 6\u3002\u6240\u4ee5\u5c0f\u660e\u8cb7\u5497 24\/6 = 4 \u679d\u6c7d\u6c34\uff0c\u5176\u5be6\u4f60\u5df2\u7d93\u505a\u5497\u4e00\u6b21 \u4e3b\u9805\u8b8a\u63db \uff08\u56e0\u70ba\u4f60\u5c07\u516c\u5f0f\u7684\u4e3b\u9805\u8b8a\u5497\u505an\uff09\u3002<\/p><p>\u516c\u5f0f\u7c21\u55ae\u7576\u7136\u5187\u554f\u984c\uff0c\u4f46\u4fc2\u5982\u679c\u689d\u516c\u5f0f\u6df1D\uff0c\u89e3\u65b9\u7a0b\u5c31\u6703\u8b8a\u5f97\u56f0\u96e3\u3002<\/p><h4>\u4f8b2<\/h4><p>\u5df2\u77e5\u552e\u8ca8\u54e1\u7684\u4eba\u5de5 (S) \u540c\u4f62\u8ce3\u51fa\u8ca8\u7269\u5605\u6578\u91cf (n) \u5605\u95dc\u4fc2\u5982\u4e0b\uff1a<\/p><p style=\"padding-left: 40px;\">\\( S = 3000 + 100\\sqrt{n+200}\\)<\/p><p>\u5982\u679c\u6211\u54cb\u77e5\u552e\u8ca8\u54e1\u8ce3\u5497\u5e7e\u591a\u4ef6\u8ca8\uff0c\u5229\u7528\u4ee5\u4e0a\u516c\u5f0f\u5c31\u53ef\u4ee5\u597d\u5bb9\u6613\u5481\u8a08\u5230\u4f62\u5605\u4eba\u5de5\u3002<\/p><p>\u4f46\u5982\u679c\u5df2\u77e5\u4e00\u4f4d\u552e\u8ca8\u54e1\u5605\u4eba\u5de5\u4fc2$5000\uff0c\u5481\u4f62\u8ce3\u5497\u5e7e\u591a\u4ef6\u8ca8\u5462\uff1f\u60f3\u50cf\u5982\u679c\u552e\u8ca8\u54e1\u65e5\u65e5\u4eba\u5de5\u5514\u540c\uff0c\u6211\u53c8\u8981\u4f60\u8a08\u4f62\u8ce3\u5497\u5e7e\u591a\u4ef6\u8ca8\uff0c\u5481\u4f60\u5c31\u8981\u89e3\u597d\u591a\u6b21\u65b9\u7a0b\uff08\u96d6\u7136\u65b9\u6cd5\u4fc2\u4e00\u6a23\uff0c\u4e0d\u904e\u90fd\u597d\u7169\uff09\u3002<\/p><p>\u4f46\u505a\u5b8c \u4e3b\u9805\u8b8a\u63db \u4e4b\u5f8c\uff0c\u6211\u54cb\u53ef\u4ee5\u77e5\u9053\uff1a<\/p><p style=\"padding-left: 40px;\">\\(n = \\left (\\dfrac{S &#8211; 3000}{100}\\right )^{2} &#8211; 200 \\)<\/p><p>\u7528\u4f9d\u689d\u516c\u5f0f\uff0c\u6211\u54cb\u5c31\u53ef\u4ee5\u597d\u5bb9\u6613\u5481\u8a08\u5230\u7576S=5000\u6642\uff0cn = 200\u3002\u6bcf\u8a08\u4e00\u6b21\u90fd\u53ea\u4fc2\u7be4\u4e00\u6b21\u8a08\u7b97\u6a5f\uff0c\u6bd4\u8f03\u5feb\u540c\u65b9\u4fbf\u3002<\/p><p>\u5230\u4f9d\u5ea6\uff0c\u5e0c\u671b\u5927\u5bb6\u660e\u767d\u9ede\u89e3\u6211\u54cb\u8981\u505a \u4e3b\u9805\u8b8a\u63db\u3002<\/p><p>\u4e3b\u9805\u8b8a\u63db\u7684\u6280\u5de7\u6703\u5728\u5f8c\u9762\u518d\u8b1b\u3002<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-469da01 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"469da01\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-33 elementor-inner-column elementor-element elementor-element-23818bb\" data-id=\"23818bb\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-966cb75 elementor-widget elementor-widget-text-editor\" data-id=\"966cb75\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.study-together.com\/edu\/dse-maths-core\/junior_summary\/formulae-basic\/\"><i class=\"far fa-arrow-alt-circle-left\" aria-hidden=\"true\"><\/i> \u516c\u5f0f\u57fa\u790e<\/a>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-33 elementor-inner-column elementor-element elementor-element-aa598ec\" data-id=\"aa598ec\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-33 elementor-inner-column elementor-element elementor-element-ec904eb\" data-id=\"ec904eb\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-745a2c2 elementor-widget elementor-widget-text-editor\" data-id=\"745a2c2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p style=\"text-align: right;\"><a href=\"https:\/\/www.study-together.com\/edu\/dse-maths-core\/junior_summary\/formulae-changing-subject-skills\/\">\u4e3b\u9805\u8b8a\u63db\u5e38\u7528\u6280\u5de7 <i class=\"far fa-arrow-alt-circle-right\" aria-hidden=\"true\"><\/i><\/a><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-33 elementor-top-column elementor-element elementor-element-4cc52cd\" data-id=\"4cc52cd\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-417d74a elementor-widget elementor-widget-sidebar\" data-id=\"417d74a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"sidebar.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"sidebar-box widget-oceanwp-custom-menu custom-menu-widget clr\"><style type=\"text\/css\">.ocean_custom_menu-5 > ul > li > a, .custom-menu-widget .ocean_custom_menu-5 .dropdown-menu .sub-menu li a.menu-link{font-size:16px;line-height:17px;}.custom-menu-widget .ocean_custom_menu-5.oceanwp-custom-menu > ul.click-menu .open-this{font-size:16px;}<\/style><h4 class=\"widget-title\">DSE\u6578\u5b78 &#8211; \u5fc5\u4fee\u90e8\u5206\u3010\u76ee\u9304\u3011<\/h4><div class=\"oceanwp-custom-menu clr ocean_custom_menu-5 left dropdown-hover\"><ul id=\"menu-dsemaths_core\" class=\"dropdown-menu sf-menu\"><li  id=\"menu-item-1744\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-1744\"><a href=\"https:\/\/www.study-together.com\/edu\/dse-maths-core\/course-analysis\/\" class=\"menu-link\">\u8ab2\u7a0b\u5206\u6790 (Core)<\/a><\/li>\n<li  id=\"menu-item-1745\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-has-children dropdown menu-item-1745\"><a href=\"https:\/\/www.study-together.com\/edu\/dse-maths-core\/junior_summary\/\" class=\"menu-link\">\u5514\u597d\u4ee5\u70ba\u5514\u99db\u8003 &#8211; \u76ee\u9304 <span class=\"nav-arrow fa fa-angle-down\"><\/span><\/a>\n<ul class=\"sub-menu\">\n\t<li  id=\"menu-item-4067\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-4067\"><a href=\"https:\/\/www.study-together.com\/edu\/dse-maths-core\/junior_summary\/solving-equation\/\" class=\"menu-link\">1. \u89e3\u65b9\u7a0b<\/a><\/li>\n\t<li  id=\"menu-item-4068\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-4068\"><a href=\"https:\/\/www.study-together.com\/edu\/dse-maths-core\/junior_summary\/polynomials\/\" class=\"menu-link\">2. \u591a\u9805\u5f0f<\/a><\/li>\n\t<li  id=\"menu-item-4069\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-4069\"><a href=\"https:\/\/www.study-together.com\/edu\/dse-maths-core\/junior_summary\/laws-of-indices\/\" class=\"menu-link\">3. \u6307\u6578\u5b9a\u5f8b<\/a><\/li>\n\t<li  id=\"menu-item-4070\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-4070\"><a href=\"https:\/\/www.study-together.com\/edu\/dse-maths-core\/junior_summary\/factorization\/\" class=\"menu-link\">4. \u56e0\u5f0f\u5206\u89e3<\/a><\/li>\n\t<li  id=\"menu-item-4071\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-4071\"><a href=\"https:\/\/www.study-together.com\/edu\/dse-maths-core\/junior_summary\/formulae\/\" class=\"menu-link\">5. \u516c\u5f0f<\/a><\/li>\n\t<li  id=\"menu-item-4072\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-4072\"><a href=\"https:\/\/www.study-together.com\/edu\/dse-maths-core\/junior_summary\/percentage\/\" class=\"menu-link\">6. \u767e\u5206\u6cd5<\/a><\/li>\n\t<li  id=\"menu-item-4073\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-4073\"><a href=\"https:\/\/www.study-together.com\/edu\/dse-maths-core\/junior_summary\/rate-and-ratio\/\" class=\"menu-link\">7. \u7387\u53ca\u6bd4<\/a><\/li>\n\t<li  id=\"menu-item-4074\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-4074\"><a href=\"https:\/\/www.study-together.com\/edu\/dse-maths-core\/junior_summary\/functions\/\" class=\"menu-link\">8. \u51fd\u6578<\/a><\/li>\n\t<li  id=\"menu-item-4075\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-4075\"><a href=\"https:\/\/www.study-together.com\/edu\/dse-maths-core\/junior_summary\/estimation\/\" class=\"menu-link\">9. \u4f30\u7b97<\/a><\/li>\n\t<li  id=\"menu-item-4076\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-4076\"><a href=\"https:\/\/www.study-together.com\/edu\/dse-maths-core\/junior_summary\/inequalities\/\" class=\"menu-link\">10. \u4e0d\u7b49\u5f0f<\/a><\/li>\n\t<li  id=\"menu-item-4077\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-4077\"><a href=\"https:\/\/www.study-together.com\/edu\/dse-maths-core\/junior_summary\/coordinates\/\" class=\"menu-link\">11. \u5750\u6a19<\/a><\/li>\n\t<li  id=\"menu-item-4079\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-4079\"><a href=\"https:\/\/www.study-together.com\/edu\/dse-maths-core\/junior_summary\/geometry\/\" class=\"menu-link\">12. \u6f14\u7e79\u63a8\u7406\u5e7e\u4f55<\/a><\/li>\n\t<li  id=\"menu-item-4080\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-4080\"><a href=\"https:\/\/www.study-together.com\/edu\/dse-maths-core\/junior_summary\/trigonometry\/\" class=\"menu-link\">13. \u4e09\u89d2\u6bd4<\/a><\/li>\n\t<li  id=\"menu-item-4081\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-4081\"><a href=\"https:\/\/www.study-together.com\/edu\/dse-maths-core\/junior_summary\/shapes\/\" class=\"menu-link\">14. \u5e73\u9762\u53ca\u7acb\u9ad4\u5716\u5f62<\/a><\/li>\n\t<li  id=\"menu-item-4082\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-4082\"><a href=\"https:\/\/www.study-together.com\/edu\/dse-maths-core\/junior_summary\/15-probability\/\" class=\"menu-link\">15. \u6982\u7387<\/a><\/li>\n\t<li  id=\"menu-item-4083\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-4083\"><a href=\"https:\/\/www.study-together.com\/edu\/dse-maths-core\/junior_summary\/16-statistics\/\" class=\"menu-link\">16. \u7d71\u8a08<\/a><\/li>\n<\/ul>\n<\/li>\n<li  id=\"menu-item-3231\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-3231\"><a href=\"https:\/\/www.study-together.com\/edu\/dse-maths-core\/fundamental_algebra\/\" class=\"menu-link\">\u57fa\u790e &#8211; \u6578\u8207\u4ee3\u6578<\/a><\/li>\n<li  id=\"menu-item-3241\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-3241\"><a href=\"https:\/\/www.study-together.com\/edu\/dse-maths-core\/fundamental-shape_n_space\/\" class=\"menu-link\">\u57fa\u790e &#8211; \u5ea6\u91cf\u3001\u5716\u5f62\u8207\u7a7a\u9593<\/a><\/li>\n<li  id=\"menu-item-3246\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-3246\"><a href=\"https:\/\/www.study-together.com\/edu\/dse-maths-core\/fundamental_data_handling\/\" class=\"menu-link\">\u57fa\u790e &#8211; \u6578\u64da\u8655\u7406<\/a><\/li>\n<li  id=\"menu-item-3290\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-3290\"><a href=\"https:\/\/www.study-together.com\/edu\/dse-maths-core\/non_fundamental_algebra\/\" class=\"menu-link\">\u975e\u57fa\u790e &#8211; \u6578\u8207\u4ee3\u6578<\/a><\/li>\n<li  id=\"menu-item-3288\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-3288\"><a href=\"https:\/\/www.study-together.com\/edu\/dse-maths-core\/non_fundamental-shape_n_space\/\" class=\"menu-link\">\u975e\u57fa\u790e &#8211; \u5ea6\u91cf\u3001\u5716\u5f62\u8207\u7a7a\u9593<\/a><\/li>\n<li  id=\"menu-item-3289\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-3289\"><a href=\"https:\/\/www.study-together.com\/edu\/dse-maths-core\/non_fundamental_data_handling\/\" class=\"menu-link\">\u975e\u57fa\u790e &#8211; \u6578\u64da\u8655\u7406<\/a><\/li>\n<\/ul><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>5.1 \u4e3b\u9805\u8b8a\u63db \u4e3b\u9805 (subject)\u516c\u5f0f\u5165\u9762\uff1d\u865f\u5de6\u65b9\u55f0\u500b\u8b8a\u6578\u3002 \u4e3b\u9805\u8b8a\u63db(Changing the su [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":1738,"menu_order":20,"comment_status":"closed","ping_status":"closed","template":"elementor_header_footer","meta":{"ocean_post_layout":"","ocean_both_sidebars_style":"","ocean_both_sidebars_content_width":0,"ocean_both_sidebars_sidebars_width":0,"ocean_sidebar":"0","ocean_second_sidebar":"0","ocean_disable_margins":"enable","ocean_add_body_class":"","ocean_shortcode_before_top_bar":"","ocean_shortcode_after_top_bar":"","ocean_shortcode_before_header":"","ocean_shortcode_after_header":"","ocean_has_shortcode":"","ocean_shortcode_after_title":"","ocean_shortcode_before_footer_widgets":"","ocean_shortcode_after_footer_widgets":"","ocean_shortcode_before_footer_bottom":"","ocean_shortcode_after_footer_bottom":"","ocean_display_top_bar":"default","ocean_display_header":"default","ocean_header_style":"","ocean_center_header_left_menu":"0","ocean_custom_header_template":"0","ocean_custom_logo":0,"ocean_custom_retina_logo":0,"ocean_custom_logo_max_width":0,"ocean_custom_logo_tablet_max_width":0,"ocean_custom_logo_mobile_max_width":0,"ocean_custom_logo_max_height":0,"ocean_custom_logo_tablet_max_height":0,"ocean_custom_logo_mobile_max_height":0,"ocean_header_custom_menu":"0","ocean_menu_typo_font_family":"0","ocean_menu_typo_font_subset":"","ocean_menu_typo_font_size":0,"ocean_menu_typo_font_size_tablet":0,"ocean_menu_typo_font_size_mobile":0,"ocean_menu_typo_font_size_unit":"px","ocean_menu_typo_font_weight":"","ocean_menu_typo_font_weight_tablet":"","ocean_menu_typo_font_weight_mobile":"","ocean_menu_typo_transform":"","ocean_menu_typo_transform_tablet":"","ocean_menu_typo_transform_mobile":"","ocean_menu_typo_line_height":0,"ocean_menu_typo_line_height_tablet":0,"ocean_menu_typo_line_height_mobile":0,"ocean_menu_typo_line_height_unit":"","ocean_menu_typo_spacing":0,"ocean_menu_typo_spacing_tablet":0,"ocean_menu_typo_spacing_mobile":0,"ocean_menu_typo_spacing_unit":"","ocean_menu_link_color":"","ocean_menu_link_color_hover":"","ocean_menu_link_color_active":"","ocean_menu_link_background":"","ocean_menu_link_hover_background":"","ocean_menu_link_active_background":"","ocean_menu_social_links_bg":"","ocean_menu_social_hover_links_bg":"","ocean_menu_social_links_color":"","ocean_menu_social_hover_links_color":"","ocean_disable_title":"default","ocean_disable_heading":"default","ocean_post_title":"","ocean_post_subheading":"","ocean_post_title_style":"","ocean_post_title_background_color":"","ocean_post_title_background":0,"ocean_post_title_bg_image_position":"","ocean_post_title_bg_image_attachment":"","ocean_post_title_bg_image_repeat":"","ocean_post_title_bg_image_size":"","ocean_post_title_height":0,"ocean_post_title_bg_overlay":0.5,"ocean_post_title_bg_overlay_color":"","ocean_disable_breadcrumbs":"default","ocean_breadcrumbs_color":"","ocean_breadcrumbs_separator_color":"","ocean_breadcrumbs_links_color":"","ocean_breadcrumbs_links_hover_color":"","ocean_display_footer_widgets":"default","ocean_display_footer_bottom":"default","ocean_custom_footer_template":"0","footnotes":""},"class_list":["post-2185","page","type-page","status-publish","hentry","entry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>\u4e3b\u9805\u8b8a\u63db &#187; \u516c\u5f0f &#187; \u5514\u597d\u4ee5\u70baDSE\u5514\u99db\u8003 &#187; \u9f4a\u9f4a\u6eab<\/title>\n<meta name=\"description\" content=\"\u4e3b\u9805\u8b8a\u63db : \u4e3b\u9805 (subject)\u4fc2\u516c\u5f0f\u5165\u9762\uff1d\u865f\u5de6\u65b9\u7684\u8b8a\u6578\u3002 \u800c\u4e3b\u9805\u8b8a\u63db(Changing subject of a formula)\u4fc2\u5c07\u516c\u5f0f\u5165\u9762\u5de6\u65b9\u5605\u8b8a\u6578\u8b8a\u6210\u53e6\u5916\u4e00\u500b\u8b8a\u6578\u3002 \u55ba\u5b78\u7fd2\u9ede\u505a\u4e3b\u9805\u8b8a\u63db\u524d\uff0c\u6211\u54cb\u6700\u597d\u5148\u660e\u767d\u9ede\u89e3\u6211\u5730\u8981\u505a\u4e3b\u9805\u8b8a\u63db\u3002\u660e\u767d\u5497\uff0c\u6211\u5730\u5c31\u6703\u77e5\u5230\u5e95\u4e3b\u9805\u8b8a\u63db\u5176\u5be6\u4fc2\u6211\u54cb\u505a\u54a9......\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.study-together.com\/edu\/dse-maths-core\/junior_summary\/formulae-changing-subject\/\" \/>\n<meta property=\"og:locale\" content=\"zh_TW\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u4e3b\u9805\u8b8a\u63db &#187; \u516c\u5f0f &#187; \u5514\u597d\u4ee5\u70baDSE\u5514\u99db\u8003 &#187; \u9f4a\u9f4a\u6eab\" \/>\n<meta property=\"og:description\" content=\"\u4e3b\u9805\u8b8a\u63db : \u4e3b\u9805 (subject)\u4fc2\u516c\u5f0f\u5165\u9762\uff1d\u865f\u5de6\u65b9\u7684\u8b8a\u6578\u3002 \u800c\u4e3b\u9805\u8b8a\u63db(Changing subject of a formula)\u4fc2\u5c07\u516c\u5f0f\u5165\u9762\u5de6\u65b9\u5605\u8b8a\u6578\u8b8a\u6210\u53e6\u5916\u4e00\u500b\u8b8a\u6578\u3002 \u55ba\u5b78\u7fd2\u9ede\u505a\u4e3b\u9805\u8b8a\u63db\u524d\uff0c\u6211\u54cb\u6700\u597d\u5148\u660e\u767d\u9ede\u89e3\u6211\u5730\u8981\u505a\u4e3b\u9805\u8b8a\u63db\u3002\u660e\u767d\u5497\uff0c\u6211\u5730\u5c31\u6703\u77e5\u5230\u5e95\u4e3b\u9805\u8b8a\u63db\u5176\u5be6\u4fc2\u6211\u54cb\u505a\u54a9......\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.study-together.com\/edu\/dse-maths-core\/junior_summary\/formulae-changing-subject\/\" \/>\n<meta property=\"og:site_name\" content=\"\u9f4a\u9f4a\u6eab\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/-100355795002387\" \/>\n<meta property=\"article:modified_time\" content=\"2020-11-02T14:10:08+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.study-together.com\/edu\/wp-content\/uploads\/2020\/07\/homeSlide1_1600x800.webp\" \/>\n\t<meta property=\"og:image:width\" content=\"1600\" \/>\n\t<meta property=\"og:image:height\" content=\"800\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/webp\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.study-together.com\\\/edu\\\/dse-maths-core\\\/junior_summary\\\/formulae-changing-subject\\\/\",\"url\":\"https:\\\/\\\/www.study-together.com\\\/edu\\\/dse-maths-core\\\/junior_summary\\\/formulae-changing-subject\\\/\",\"name\":\"\u4e3b\u9805\u8b8a\u63db &#187; \u516c\u5f0f &#187; \u5514\u597d\u4ee5\u70baDSE\u5514\u99db\u8003 &#187; \u9f4a\u9f4a\u6eab\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.study-together.com\\\/edu\\\/#website\"},\"datePublished\":\"2020-09-01T10:07:36+00:00\",\"dateModified\":\"2020-11-02T14:10:08+00:00\",\"description\":\"\u4e3b\u9805\u8b8a\u63db : \u4e3b\u9805 (subject)\u4fc2\u516c\u5f0f\u5165\u9762\uff1d\u865f\u5de6\u65b9\u7684\u8b8a\u6578\u3002 \u800c\u4e3b\u9805\u8b8a\u63db(Changing subject of a formula)\u4fc2\u5c07\u516c\u5f0f\u5165\u9762\u5de6\u65b9\u5605\u8b8a\u6578\u8b8a\u6210\u53e6\u5916\u4e00\u500b\u8b8a\u6578\u3002 \u55ba\u5b78\u7fd2\u9ede\u505a\u4e3b\u9805\u8b8a\u63db\u524d\uff0c\u6211\u54cb\u6700\u597d\u5148\u660e\u767d\u9ede\u89e3\u6211\u5730\u8981\u505a\u4e3b\u9805\u8b8a\u63db\u3002\u660e\u767d\u5497\uff0c\u6211\u5730\u5c31\u6703\u77e5\u5230\u5e95\u4e3b\u9805\u8b8a\u63db\u5176\u5be6\u4fc2\u6211\u54cb\u505a\u54a9......\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/www.study-together.com\\\/edu\\\/dse-maths-core\\\/junior_summary\\\/formulae-changing-subject\\\/#breadcrumb\"},\"inLanguage\":\"zh-TW\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/www.study-together.com\\\/edu\\\/dse-maths-core\\\/junior_summary\\\/formulae-changing-subject\\\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/www.study-together.com\\\/edu\\\/dse-maths-core\\\/junior_summary\\\/formulae-changing-subject\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/www.study-together.com\\\/edu\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"DSE \u6578\u5b78 &#8211; \u5fc5\u4fee\",\"item\":\"https:\\\/\\\/www.study-together.com\\\/edu\\\/dse-maths-core\\\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"\u5514\u597d\u4ee5\u70ba\u5514\u99db\u8003\",\"item\":\"https:\\\/\\\/www.study-together.com\\\/edu\\\/dse-maths-core\\\/junior_summary\\\/\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"5. \u516c\u5f0f > \u4e3b\u9805\u8b8a\u63db\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/www.study-together.com\\\/edu\\\/#website\",\"url\":\"https:\\\/\\\/www.study-together.com\\\/edu\\\/\",\"name\":\"\u9f4a\u9f4a\u6eab\",\"description\":\"\u4e2d\u5b78\u53ca\u5c0f\u5b78\u8ab2\u7a0b - \u9f4a\u9f4a\u5b78!\u9f4a\u9f4a\u6eab!\",\"publisher\":{\"@id\":\"https:\\\/\\\/www.study-together.com\\\/edu\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/www.study-together.com\\\/edu\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"zh-TW\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/www.study-together.com\\\/edu\\\/#organization\",\"name\":\"Study2Gather\",\"url\":\"https:\\\/\\\/www.study-together.com\\\/edu\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-TW\",\"@id\":\"https:\\\/\\\/www.study-together.com\\\/edu\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/www.study-together.com\\\/edu\\\/wp-content\\\/uploads\\\/2020\\\/06\\\/logo.png\",\"contentUrl\":\"https:\\\/\\\/www.study-together.com\\\/edu\\\/wp-content\\\/uploads\\\/2020\\\/06\\\/logo.png\",\"width\":250,\"height\":55,\"caption\":\"Study2Gather\"},\"image\":{\"@id\":\"https:\\\/\\\/www.study-together.com\\\/edu\\\/#\\\/schema\\\/logo\\\/image\\\/\"},\"sameAs\":[\"https:\\\/\\\/www.facebook.com\\\/-100355795002387\"]}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"\u4e3b\u9805\u8b8a\u63db &#187; \u516c\u5f0f &#187; \u5514\u597d\u4ee5\u70baDSE\u5514\u99db\u8003 &#187; \u9f4a\u9f4a\u6eab","description":"\u4e3b\u9805\u8b8a\u63db : \u4e3b\u9805 (subject)\u4fc2\u516c\u5f0f\u5165\u9762\uff1d\u865f\u5de6\u65b9\u7684\u8b8a\u6578\u3002 \u800c\u4e3b\u9805\u8b8a\u63db(Changing subject of a formula)\u4fc2\u5c07\u516c\u5f0f\u5165\u9762\u5de6\u65b9\u5605\u8b8a\u6578\u8b8a\u6210\u53e6\u5916\u4e00\u500b\u8b8a\u6578\u3002 \u55ba\u5b78\u7fd2\u9ede\u505a\u4e3b\u9805\u8b8a\u63db\u524d\uff0c\u6211\u54cb\u6700\u597d\u5148\u660e\u767d\u9ede\u89e3\u6211\u5730\u8981\u505a\u4e3b\u9805\u8b8a\u63db\u3002\u660e\u767d\u5497\uff0c\u6211\u5730\u5c31\u6703\u77e5\u5230\u5e95\u4e3b\u9805\u8b8a\u63db\u5176\u5be6\u4fc2\u6211\u54cb\u505a\u54a9......","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.study-together.com\/edu\/dse-maths-core\/junior_summary\/formulae-changing-subject\/","og_locale":"zh_TW","og_type":"article","og_title":"\u4e3b\u9805\u8b8a\u63db &#187; \u516c\u5f0f &#187; \u5514\u597d\u4ee5\u70baDSE\u5514\u99db\u8003 &#187; \u9f4a\u9f4a\u6eab","og_description":"\u4e3b\u9805\u8b8a\u63db : \u4e3b\u9805 (subject)\u4fc2\u516c\u5f0f\u5165\u9762\uff1d\u865f\u5de6\u65b9\u7684\u8b8a\u6578\u3002 \u800c\u4e3b\u9805\u8b8a\u63db(Changing subject of a formula)\u4fc2\u5c07\u516c\u5f0f\u5165\u9762\u5de6\u65b9\u5605\u8b8a\u6578\u8b8a\u6210\u53e6\u5916\u4e00\u500b\u8b8a\u6578\u3002 \u55ba\u5b78\u7fd2\u9ede\u505a\u4e3b\u9805\u8b8a\u63db\u524d\uff0c\u6211\u54cb\u6700\u597d\u5148\u660e\u767d\u9ede\u89e3\u6211\u5730\u8981\u505a\u4e3b\u9805\u8b8a\u63db\u3002\u660e\u767d\u5497\uff0c\u6211\u5730\u5c31\u6703\u77e5\u5230\u5e95\u4e3b\u9805\u8b8a\u63db\u5176\u5be6\u4fc2\u6211\u54cb\u505a\u54a9......","og_url":"https:\/\/www.study-together.com\/edu\/dse-maths-core\/junior_summary\/formulae-changing-subject\/","og_site_name":"\u9f4a\u9f4a\u6eab","article_publisher":"https:\/\/www.facebook.com\/-100355795002387","article_modified_time":"2020-11-02T14:10:08+00:00","og_image":[{"width":1600,"height":800,"url":"https:\/\/www.study-together.com\/edu\/wp-content\/uploads\/2020\/07\/homeSlide1_1600x800.webp","type":"image\/webp"}],"twitter_card":"summary_large_image","schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.study-together.com\/edu\/dse-maths-core\/junior_summary\/formulae-changing-subject\/","url":"https:\/\/www.study-together.com\/edu\/dse-maths-core\/junior_summary\/formulae-changing-subject\/","name":"\u4e3b\u9805\u8b8a\u63db &#187; \u516c\u5f0f &#187; \u5514\u597d\u4ee5\u70baDSE\u5514\u99db\u8003 &#187; \u9f4a\u9f4a\u6eab","isPartOf":{"@id":"https:\/\/www.study-together.com\/edu\/#website"},"datePublished":"2020-09-01T10:07:36+00:00","dateModified":"2020-11-02T14:10:08+00:00","description":"\u4e3b\u9805\u8b8a\u63db : \u4e3b\u9805 (subject)\u4fc2\u516c\u5f0f\u5165\u9762\uff1d\u865f\u5de6\u65b9\u7684\u8b8a\u6578\u3002 \u800c\u4e3b\u9805\u8b8a\u63db(Changing subject of a formula)\u4fc2\u5c07\u516c\u5f0f\u5165\u9762\u5de6\u65b9\u5605\u8b8a\u6578\u8b8a\u6210\u53e6\u5916\u4e00\u500b\u8b8a\u6578\u3002 \u55ba\u5b78\u7fd2\u9ede\u505a\u4e3b\u9805\u8b8a\u63db\u524d\uff0c\u6211\u54cb\u6700\u597d\u5148\u660e\u767d\u9ede\u89e3\u6211\u5730\u8981\u505a\u4e3b\u9805\u8b8a\u63db\u3002\u660e\u767d\u5497\uff0c\u6211\u5730\u5c31\u6703\u77e5\u5230\u5e95\u4e3b\u9805\u8b8a\u63db\u5176\u5be6\u4fc2\u6211\u54cb\u505a\u54a9......","breadcrumb":{"@id":"https:\/\/www.study-together.com\/edu\/dse-maths-core\/junior_summary\/formulae-changing-subject\/#breadcrumb"},"inLanguage":"zh-TW","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.study-together.com\/edu\/dse-maths-core\/junior_summary\/formulae-changing-subject\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.study-together.com\/edu\/dse-maths-core\/junior_summary\/formulae-changing-subject\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.study-together.com\/edu\/"},{"@type":"ListItem","position":2,"name":"DSE \u6578\u5b78 &#8211; \u5fc5\u4fee","item":"https:\/\/www.study-together.com\/edu\/dse-maths-core\/"},{"@type":"ListItem","position":3,"name":"\u5514\u597d\u4ee5\u70ba\u5514\u99db\u8003","item":"https:\/\/www.study-together.com\/edu\/dse-maths-core\/junior_summary\/"},{"@type":"ListItem","position":4,"name":"5. \u516c\u5f0f > \u4e3b\u9805\u8b8a\u63db"}]},{"@type":"WebSite","@id":"https:\/\/www.study-together.com\/edu\/#website","url":"https:\/\/www.study-together.com\/edu\/","name":"\u9f4a\u9f4a\u6eab","description":"\u4e2d\u5b78\u53ca\u5c0f\u5b78\u8ab2\u7a0b - \u9f4a\u9f4a\u5b78!\u9f4a\u9f4a\u6eab!","publisher":{"@id":"https:\/\/www.study-together.com\/edu\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.study-together.com\/edu\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"zh-TW"},{"@type":"Organization","@id":"https:\/\/www.study-together.com\/edu\/#organization","name":"Study2Gather","url":"https:\/\/www.study-together.com\/edu\/","logo":{"@type":"ImageObject","inLanguage":"zh-TW","@id":"https:\/\/www.study-together.com\/edu\/#\/schema\/logo\/image\/","url":"https:\/\/www.study-together.com\/edu\/wp-content\/uploads\/2020\/06\/logo.png","contentUrl":"https:\/\/www.study-together.com\/edu\/wp-content\/uploads\/2020\/06\/logo.png","width":250,"height":55,"caption":"Study2Gather"},"image":{"@id":"https:\/\/www.study-together.com\/edu\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.facebook.com\/-100355795002387"]}]}},"_links":{"self":[{"href":"https:\/\/www.study-together.com\/edu\/wp-json\/wp\/v2\/pages\/2185","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.study-together.com\/edu\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.study-together.com\/edu\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.study-together.com\/edu\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.study-together.com\/edu\/wp-json\/wp\/v2\/comments?post=2185"}],"version-history":[{"count":0,"href":"https:\/\/www.study-together.com\/edu\/wp-json\/wp\/v2\/pages\/2185\/revisions"}],"up":[{"embeddable":true,"href":"https:\/\/www.study-together.com\/edu\/wp-json\/wp\/v2\/pages\/1738"}],"wp:attachment":[{"href":"https:\/\/www.study-together.com\/edu\/wp-json\/wp\/v2\/media?parent=2185"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}