{"id":913,"date":"2020-06-24T02:19:27","date_gmt":"2020-06-23T18:19:27","guid":{"rendered":"https:\/\/study-together.com\/edu\/?page_id=913"},"modified":"2022-07-01T22:22:36","modified_gmt":"2022-07-01T14:22:36","slug":"directed-numbers","status":"publish","type":"page","link":"https:\/\/www.study-together.com\/edu\/secondary\/form1_maths\/directed-numbers\/","title":{"rendered":"1. \u6709\u5411\u6578 (Directed Numbers)"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"913\" class=\"elementor elementor-913\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-ede8d2e elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"ede8d2e\" 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-2d58c14\" data-id=\"2d58c14\" 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-1e5d29d elementor-widget elementor-widget-text-editor\" data-id=\"1e5d29d\" 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>\u55ba\u4f9d\u500b\u5b78\u7fd2\u55ae\u5143\u5165\u9762\uff0c\u5927\u5bb6\u8981\u5b78\u8b58\u5605\u5622\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><a href=\"#directedNumberConcept\">\u7406\u89e3\u6709\u5411\u6578\u7684\u6982\u5ff5<\/a><\/li>\n<li><a href=\"#directedNumberBasicCalc\">\u9032\u884c\u6709\u5411\u6578\u7684\u56db\u5247\u6df7\u5408\u904b\u7b97<\/a><\/li>\n<li>\u89e3\u6d89\u53ca\u6709\u5411\u6578\u7684\u61c9\u7528\u984c<\/li>\n<\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5059acc elementor-widget elementor-widget-menu-anchor\" data-id=\"5059acc\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"menu-anchor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-menu-anchor\" id=\"directedNumberConcept\"><\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-41a076c elementor-widget elementor-widget-text-editor\" data-id=\"41a076c\" 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 style=\"text-align: left;\">1.1\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u6709\u5411\u6578\u7684\u6982\u5ff5\u53ca\u76f8\u95dc\u5b9a\u7fa9<\/h2><ul><li><strong>\u6709\u5411\u6578 (Directed Number)<\/strong>\uff1a\u6240\u6709\u9644\u6709\u6b63\u865f(+)\u6216\u8ca0\u865f(-)\u7684\u6578\u90fd\u7a31\u70ba\u6709\u5411\u6578\u3002<br \/>\u4f8b\u5982\uff1a+9, -8, -9, +8<br \/>\u7559\u610f\uff1a\u7576\u4e00\u500b\u6578\u5b57\u524d\u9762\u4fc2\u7121\u6b63\u8ca0\u6578\u5605\u6642\u5019\uff0c\u500b\u6578\u4fc2\u6b63\u5605\u3002<\/li><li><strong>\u76f8\u53cd\u6578 (Opposite Number)<\/strong>\uff1a\u6578\u503c\u4e00\u6a23\u4f46\u6b63\u8ca0\u76f8\u53cd\u7684\u6578\u3002<br \/>\u4f8b\u5982\uff1a+9\u7684\u76f8\u53cd\u6578\u662f-9<\/li><li><strong>\u7d55\u5c0d\u503c (Absolute Value)<\/strong>\uff1a\u53ea\u6709\u6578\u503c\u7684\u91cf\uff0c\u4e0d\u5e36\u6b63\u6216\u8ca0\u7684\u610f\u7fa9\u3002\u5373\u5514\u7747\u6b63\u8ca0\u865f\uff0c\u53ea\u7747\u6578\u5b57\u5605\u90e8\u4efd\u3002<br \/>\u4f8b\u5982\uff1a(-9)\u7684\u7d55\u5c0d\u503c = 9\uff1b\u3000(+9)\u7684\u7d55\u5c0d\u503c = 9<\/li><\/ul><h2>1.2\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u6578\u7dda (Number Line)<\/h2><p>\u4f9d\u5927\u5c0f\u6b21\u5e8f\u628a\u6709\u5411\u6578\u6a19\u793a\u5728\u4e00\u76f4\u7dda\uff0c\u8a72\u76f4\u7dda\u7a31\u70ba\u6578\u7dda\u3002<\/p><p>\u4f8b\u5982\uff1a<\/p><figure id=\"attachment_950\" aria-describedby=\"caption-attachment-950\" style=\"width: 280px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" class=\"wp-image-950 size-full\" src=\"https:\/\/study-together.com\/edu\/wp-content\/uploads\/2020\/06\/f1Maths_numLine.gif\" alt=\"\u6578\u7dda\" width=\"280\" height=\"43\" \/><figcaption id=\"caption-attachment-950\" class=\"wp-caption-text\">\u6578\u7dda<\/figcaption><\/figure><p>\u00a0<\/p><p>\u6578\u7dda\u53ef\u4ee5\u6309\u6253\u76f4\u5b9a\u6253\u6a6b\u569f\u756b\u5206\u6210\u5169\u7a2e\uff1a<\/p><ul><li>\u6c34\u5e73\u6578\u7dda\uff1a\u5f9e\u5de6\u81f3\u53f3\uff0c\u7531\u5c0f\u81f3\u5927\uff1b<\/li><li>\u5782\u76f4\u6578\u7dda\uff1a\u5f9e\u4e0b\u81f3\u4e0a\uff0c\u7531\u5c0f\u81f3\u5927\uff1b<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2dfc4d6 elementor-widget elementor-widget-menu-anchor\" data-id=\"2dfc4d6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"menu-anchor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-menu-anchor\" id=\"directedNumberBasicCalc\"><\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-759f368 elementor-widget elementor-widget-text-editor\" data-id=\"759f368\" 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>1.3\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u6709\u5411\u6578\u7684\u52a0\u6e1b<\/h2><p>\u6578\u5b78\u57fa\u790e\u5514\u592a\u597d\u5605\u540c\u5b78\uff0c\u6709\u6642\u90fd\u6703\u6bd4\u6709\u5411\u6578\u5605\u52a0\u52a0\u6e1b\u6e1b\u641e\u5230\u982d\u90fd\u5927\u3002\u5982\u679c\u4f60\u4fc2\u5176\u4e2d\u4e00\u500b\uff0c\u4e0d\u5982\u8a66\u5413\u5b78\u4ee5\u4e0b\u5605\u53e3\u8a23\uff1a<\/p><ul><li>\u540c\u865f\u76f8\u52a0\uff1a\u6578\u503c\u76f8\u52a0\uff0c\u7b26\u865f\u5f9e\u539f\uff1b<\/li><li>\u7570\u865f\u76f8\u52a0\uff1a\u6578\u503c\u76f8\u6e1b\uff0c\u7b26\u865f\u5f9e\u5927\uff1b<\/li><li>\u540c\u865f\u76f8\u6e1b\uff1a\u6578\u503c\u76f8\u6e1b\uff0c\u4e0d\u5920\u6e1b\uff0c\u7b26\u865f\u5012\u8f49\uff1b<\/li><li>\u7570\u865f\u76f8\u6e1b\uff1a\u6578\u503c\u76f8\u52a0\uff0c\u7b26\u865f\u5f9e\u88ab\u6e1b\u6578\u3002<\/li><\/ul><p>\u4f8b1\uff1a\u3000\\( (-3) + (-8)\u00a0 \\)<\/p><p style=\"padding-left: 40px;\">\u984c\u76ee\u4fc2\u5169\u500b&#8221;\u540c\u865f&#8221;\u5605\u6578\u76f8\u52a0\uff0c\u6309&#8221;\u540c\u865f\u76f8\u52a0&#8221;\u5605\u53e3\u8a23\uff1a<\/p><ul><li style=\"list-style-type: none;\"><ul><li style=\"list-style-type: none;\"><ul><li>\u6578\u503c\u76f8\u52a0\uff1a \u5c07\u5169\u500b\u6578\u5605\u91cf\u76f8\u52a0\u3002<br \/>\\(8 + 3 = 11\\)<\/li><li>\u7b26\u865f\u5f9e\u539f\uff1a\u7b54\u6848\u5605\u6b63\u8ca0\u865f\u540c\u5169\u500b\u6578\u5605\u7b26\u865f\u4e00\u6a23\u4fc2&#8221;\u8ca0&#8221;<\/li><\/ul><\/li><\/ul><\/li><\/ul><p style=\"text-align: left; padding-left: 40px;\">\u6240\u4ee5\uff0c \\((-3) + (-8) = -11\\)<\/p><p>\u4f8b2\uff1a\u3000\\( 4 + (-11)\u00a0 \\)<\/p><p style=\"padding-left: 40px;\">\u984c\u76ee\u4fc2\u5169\u500b&#8221;\u5514\u540c\u865f&#8221;(\u5373\u7570\u6578)\u5605\u6578\u76f8\u52a0\uff0c\u6309&#8221;\u7570\u865f\u76f8\u52a0&#8221;\u5605\u53e3\u8a23\uff1a<\/p><ul><li style=\"list-style-type: none;\"><ul><li style=\"list-style-type: none;\"><ul><li>\u6578\u503c\u76f8\u6e1b\uff1a\u651e\u5169\u500b\u6578\u5605\u91cf\u76f8\u6e1b\u30024\u5514\u5920\u6e1b11\u7dca\u8981\uff0c\u5927\u5bb6\u757611\u6e1b4\u5481\u8a08\u3002 <br \/>\\(11 &#8211; 4 = 7\\)<\/li><li>\u7b26\u865f\u5f9e\u5927\uff1a\\(11\\)\u6bd4\\(4\\)\u5927\uff0c\u6240\u4ee5\u7b54\u6848\u5605\u6b63\u8ca0\u865f\u4fc2\u8ddf\\(11\\)\u5605\u7b26\u865f\uff0c\u5373\u4fc2&#8221;\u8ca0&#8221;<\/li><\/ul><\/li><\/ul><\/li><\/ul><p style=\"padding-left: 40px;\">\u6240\u4ee5\uff0c \\(4 + (-11) = -7\\)<\/p><p>\u4f8b3\uff1a\u3000\\( 5 &#8211; 13\u00a0 \\)<\/p><p style=\"padding-left: 40px;\">\u984c\u76ee\u4fc2\u5169\u500b&#8221;\u540c\u865f&#8221;\u5605\u6b63\u6578\u76f8\u6e1b\uff0c\u6309&#8221;\u540c\u865f\u76f8\u6e1b&#8221;\u5605\u53e3\u8a23\uff1a<\/p><ul><li style=\"list-style-type: none;\"><ul><li style=\"list-style-type: none;\"><ul><li>\u6578\u503c\u76f8\u6e1b\uff1a5\u7d30\u904e13\uff0c\u5514\u5920\u6e1b\uff0c\u6240\u4ee5\u6211\u5148\u651e13\u6e1b5\u3002 <br \/>\\(13 &#8211; 5 = 8\\)<\/li><li>\u4e0d\u5920\u6e1b\uff0c\u7b26\u865f\u5012\u8f49\uff1a\u56e0\u70ba\u4fc2&#8221;5\u5514\u5920\u6e1b13&#8243;\uff0c\u6240\u4ee5\u7b54\u6848\u5605\u7b26\u865f\u4fc2\u8981\u5012\u8f49\u3002\u5373\u7531&#8221;\u6b63&#8221;\u8b8a&#8221;\u8ca0&#8221;\u3002<\/li><\/ul><\/li><\/ul><\/li><\/ul><p style=\"padding-left: 40px;\">\u6240\u4ee5\uff0c \\(5 &#8211; 13 = -8\\)<\/p><p>\u4f8b4\uff1a\u3000\\( (-2) &#8211; 7\u00a0 \\)<\/p><p style=\"padding-left: 40px;\">\u984c\u76ee\u4fc2\u5169\u500b&#8221;\u7570\u865f&#8221;\u5605\u76f8\u6e1b\uff0c\u6309&#8221;\u7570\u865f\u76f8\u6e1b&#8221;\u5605\u53e3\u8a23\uff1a<\/p><ul><li style=\"list-style-type: none;\"><ul><li style=\"list-style-type: none;\"><ul><li>\u6578\u503c\u76f8\u52a0\uff1a\u651e\u5169\u500b\u6578\u5605\u91cf\u76f8\u52a0\u3002<br \/>\\(2 + 7 = 9\\)<\/li><li>\u7b26\u865f\u5f9e\u88ab\u6e1b\u6578\uff1a\u88ab\u6e1b\u6578\u4fc2&#8221;\\(-2\\)&#8221;\uff0c\u6240\u4ee5\u7b54\u6848\u5605\u7b26\u865f\u4fc2&#8221;\u8ca0&#8221;\u3002<\/li><\/ul><\/li><\/ul><\/li><\/ul><p style=\"padding-left: 40px;\">\u6240\u4ee5\uff0c \\( (-2) &#8211; 7 = -9 \\)<\/p><h3>1.3.1\u00a0\u00a0\u00a0\u00a0 \u62c6\u62ec\u865f<\/h3><p>\u62c6\u62ec\u865f\u5176\u5be6\u597d\u7c21\u55ae\uff0c\u53ea\u8981\u7747\u4f4f\u62ec\u865f\u524d\u5605\u7b26\u865f\u4fc2\u6b63\u5b9a\u8ca0\uff0c\u6309\u6cd5\u5247\u5481\u505a\u5c31\u5f97\uff1a\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/p><ul><li>\u5982\u62ec\u865f\u524d\u9762\u4fc2&#8221;\u6b63&#8221;\uff0c\u6211\u5730\u53ea\u9700\u8981\u7576\u500b\u62ec\u865f\u7121\u5230\u5c31\u53ef\u4ee5\u4e86\u3002<br \/>\u4f8b\uff1a\u3000<br \/>\\( \\begin{align} 3 + (6 &#8211; 8) &amp;= 3 + 6 &#8211; 8 \\\\<br \/>&amp;= 9 &#8211; 8 \\\\<br \/>&amp; = 1 <br \/>\\end{align}\\)<\/li><li>\u5982\u62ec\u865f\u524d\u9762\u4fc2&#8221;\u8ca0&#8221;\uff0c\u6211\u5730\u628a\u62ec\u865f\u651e\u8d70\u5605\u6642\u5019\uff0c\u5165\u9762\u6bcf\u4e00\u500b\u6578\u5605\u7b26\u865f\u90fd\u8981\u5012\u8f49\u3002<br \/>\u4f8b\uff1a\u3000<br \/>\\( \\begin{align} 3 &#8211; (6 &#8211; 8) &amp;= 3 &#8211; 6 + 8 \\\\<br \/>&amp;= 11 &#8211; 6 \\\\<br \/>&amp; = 5 <br \/>\\end{align}\\)<br \/>\u7576\u7136\u4f9d\u689d\u6578\u53ef\u4ee5\u7528\u4e0b\u9762\u5169\u500b\u65b9\u6cd5\u569f\u8a08\uff1a<br \/><ul><li>\u5148\u8a08\u62ec\u865f\u5165\u9762\u5605\u6578\uff0c\u518d\u62c6\u62ec\u865f\u569f\u8a08<br \/>\\( \\begin{align} 3 &#8211; (6 &#8211; 8) &amp;= 3 &#8211; (-2) \\\\<br \/>&amp;= 3 + 2 \\\\<br \/>&amp; = 5 <br \/>\\end{align}\\)<\/li><li>\u5148\u8a08\u62ec\u865f\u5165\u9762\u5605\u6578\uff0c\u4e4b\u5f8c\u7528&#8221;\u7570\u865f\u76f8\u6e1b&#8221;\u53e3\u8a23:<br \/>\\( \\begin{align} 3 &#8211; (6 &#8211; 8) &amp;= 3 &#8211; (-2) \\\\<br \/>&amp; = 5 <br \/>\\end{align}\\)<\/li><\/ul><\/li><\/ul><p>\u5176\u5be6\u62c6\u62ec\u865f\u597d\u591a\u6642\u53ea\u4fc2\u60f3\u5316\u7c21\u56db\u5247\u904b\u7b97\uff0c\u4f8b\u5982<\/p><ul><li>\\(3 &#8211; (-2)\\)\u53ef\u4ee5\u900f\u904e\u62c6\u62ec\u865f\u8b8a\u6210\\(3 + 2\\)<\/li><li>\\(4 + (-3)\\)\u53ef\u4ee5\u900f\u904e\u62c6\u62ec\u865f\u8b8a\u6210\\(4 &#8211; 3\\)<\/li><\/ul><p>\u5982\u540c\u5b78\u5c0d\u6709\u5411\u6578\u5605\u6982\u5ff5\u638c\u63e1\u5f97\u597d\uff0c\u5514\u62c6\u62ec\u865f\u76f4\u63a5\u8a08\u90fd\u5f97\u3002<\/p><h2>1.4\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u6709\u5411\u6578\u7684\u4e58\u9664<\/h2><p>\u6709\u5411\u6578\u5605\u4e58\u9664\u5605\u53e3\u8a23\u597d\u6613\u8a18\uff0c\u76f8\u4fe1\u597d\u591a\u8001\u5e2b\u90fd\u6703\u6559\u5927\u5bb6\u3002<\/p><ul><li style=\"list-style-type: none;\"><ul><li>\u6b63\u6b63\u5f97\u6b63\uff1b\u8ca0\u8ca0\u5f97\u6b63\uff1b<\/li><li>\u6b63\u8ca0\u5f97\u8ca0\uff1b\u8ca0\u6b63\u5f97\u8ca0\u3002<\/li><\/ul><\/li><\/ul><p>\u4f8b1\uff1a\u3000\\( (-2) \\times\u00a0 7\u00a0 \\)<\/p><p style=\"padding-left: 40px;\">\u984c\u76ee\u4fc2\u5169\u500b&#8221;\u8ca0\u6b63&#8221;\u5605\u76f8\u4e58\uff0c\u6240\u4ee5\u7b54\u6848\u4fc2\u4e00\u500b\u8ca0\u6578\u3002\u800c\u7b54\u6848\u5605\u91cf\u4fc2 \\(2 \\times 7 = 14\\)\u3002<\/p><p style=\"padding-left: 40px;\">\u6240\u4ee5 \\( (-2) \\times\u00a0 7\u00a0 = -14\\)<\/p><p>\u00a0<\/p><p>\u00a0<\/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-a653e28 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"a653e28\" 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-50 elementor-inner-column elementor-element elementor-element-9f58345\" data-id=\"9f58345\" 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-50 elementor-inner-column elementor-element elementor-element-3ae3412\" data-id=\"3ae3412\" 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-6c70cc1 elementor-widget elementor-widget-text-editor\" data-id=\"6c70cc1\" 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\/secondary\/form1_maths\/algebraic-expressions-equations\/\">\u4ee3\u6578\u5f0f\u548c\u65b9\u7a0b\u5f0f <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-c58a461\" data-id=\"c58a461\" 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-e715308 elementor-widget elementor-widget-sidebar\" data-id=\"e715308\" 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-2 > ul > li > a, .custom-menu-widget .ocean_custom_menu-2 .dropdown-menu .sub-menu li a.menu-link{font-size:16px;line-height:17px;}.custom-menu-widget .ocean_custom_menu-2.oceanwp-custom-menu > ul.click-menu .open-this{font-size:16px;}<\/style><h4 class=\"widget-title\">\u4e2d\u4e00\u6578\u5b78\u3010\u76ee\u9304\u3011<\/h4><div class=\"oceanwp-custom-menu clr ocean_custom_menu-2 left dropdown-hover\"><ul id=\"menu-form1mathstopics\" class=\"dropdown-menu sf-menu\"><li  id=\"menu-item-928\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-928\"><a href=\"https:\/\/www.study-together.com\/edu\/secondary\/form1_maths\/directed-numbers\/\" class=\"menu-link\">1. \u6709\u5411\u6578 (Directed Numbers)<\/a><\/li>\n<li  id=\"menu-item-929\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-929\"><a href=\"https:\/\/www.study-together.com\/edu\/secondary\/form1_maths\/algebraic-expressions-equations\/\" class=\"menu-link\">2. \u4ee3\u6578\u5f0f\u548c\u65b9\u7a0b\u5f0f (Algebraic Expressions &#038; Equations)<\/a><\/li>\n<li  id=\"menu-item-995\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-995\"><a href=\"https:\/\/www.study-together.com\/edu\/secondary\/form1_maths\/laws-of-integral-indices\/\" class=\"menu-link\">3. \u6307\u6578\u53ca\u9032\u5236 (Laws of integral indices)<\/a><\/li>\n<li  id=\"menu-item-1000\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-1000\"><a href=\"https:\/\/www.study-together.com\/edu\/secondary\/form1_maths\/polynomials\/\" class=\"menu-link\">4. \u591a\u9805\u5f0f (Polynomials)<\/a><\/li>\n<li  id=\"menu-item-1043\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-1043\"><a href=\"https:\/\/www.study-together.com\/edu\/secondary\/form1_maths\/using-percentages\/\" class=\"menu-link\">5. \u767e\u5206\u6cd5 (Using percentages)<\/a><\/li>\n<li  id=\"menu-item-1053\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-1053\"><a href=\"https:\/\/www.study-together.com\/edu\/secondary\/form1_maths\/approximate-values-estimation\/\" class=\"menu-link\">6. \u8fd1\u4f3c\u503c\u8207\u4f30\u7b97 (Approximate values &#038; estimation)<\/a><\/li>\n<li  id=\"menu-item-1071\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-1071\"><a href=\"https:\/\/www.study-together.com\/edu\/secondary\/form1_maths\/introduction-to-geometry\/\" class=\"menu-link\">7. \u5e7e\u4f55\u7c21\u4ecb (Introduction to Geometry)<\/a><\/li>\n<li  id=\"menu-item-1093\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-1093\"><a href=\"https:\/\/www.study-together.com\/edu\/secondary\/form1_maths\/symmetry-and-transformation\/\" class=\"menu-link\">8. \u5c0d\u7a31\u53ca\u8b8a\u63db (Symmetry and Transformation)<\/a><\/li>\n<li  id=\"menu-item-1109\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-1109\"><a href=\"https:\/\/www.study-together.com\/edu\/secondary\/form1_maths\/congruence-and-similarity\/\" class=\"menu-link\">9. \u5168\u7b49\u53ca\u76f8\u4f3c (Congruence and Similarity)<\/a><\/li>\n<li  id=\"menu-item-1120\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-1120\"><a href=\"https:\/\/www.study-together.com\/edu\/secondary\/form1_maths\/estimation-in-measurements\/\" class=\"menu-link\">10. \u91cf\u5ea6\u65b9\u9762\u7684\u4f30\u8a08 (Estimation in measurements)<\/a><\/li>\n<li  id=\"menu-item-1136\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-1136\"><a href=\"https:\/\/www.study-together.com\/edu\/secondary\/form1_maths\/area-and-volume\/\" class=\"menu-link\">11. \u9762\u7a4d\u53ca\u9ad4\u7a4d (Area and Volume)<\/a><\/li>\n<li  id=\"menu-item-1150\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-1150\"><a href=\"https:\/\/www.study-together.com\/edu\/secondary\/form1_maths\/introduction-to-coordinates\/\" class=\"menu-link\">12.   \u5750\u6a19\u7c21\u4ecb (Introduction to Coordinates)<\/a><\/li>\n<li  id=\"menu-item-1164\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-1164\"><a href=\"https:\/\/www.study-together.com\/edu\/secondary\/form1_maths\/introduction-to-statistics\/\" class=\"menu-link\">13.  \u7d71\u8a08\u7c21\u4ecb (Introduction to Statistics)<\/a><\/li>\n<li  id=\"menu-item-16138\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-16138\"><a href=\"https:\/\/www.study-together.com\/edu\/secondary\/exam_papers\/\" class=\"menu-link\">*** \u521d\u4e2d\u8a66\u5377 \/ \u8a66\u984c\u5eab ***<\/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>\u55ba\u4f9d\u500b\u5b78\u7fd2\u55ae\u5143\u5165\u9762\uff0c\u5927\u5bb6\u8981\u5b78\u8b58\u5605\u5622\u5305\u62ec\uff1a \u7406\u89e3\u6709\u5411\u6578\u7684\u6982\u5ff5 \u9032\u884c\u6709\u5411\u6578\u7684\u56db\u5247\u6df7\u5408\u904b\u7b97 \u89e3\u6d89\u53ca\u6709\u5411\u6578\u7684\u61c9\u7528\u984c 1 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":923,"menu_order":0,"comment_status":"open","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-913","page","type-page","status-publish","hentry","entry"],"yoast_head":"<!-- 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