{"id":1096,"date":"2020-07-05T17:58:07","date_gmt":"2020-07-05T09:58:07","guid":{"rendered":"https:\/\/www.study-together.com\/edu\/?page_id=1096"},"modified":"2020-11-02T23:15:40","modified_gmt":"2020-11-02T15:15:40","slug":"congruence-and-similarity","status":"publish","type":"page","link":"https:\/\/www.study-together.com\/edu\/secondary\/form1_maths\/congruence-and-similarity\/","title":{"rendered":"9. \u5168\u7b49\u53ca\u76f8\u4f3c (Congruence and Similarity)"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"1096\" class=\"elementor elementor-1096\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-1afe63b elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"1afe63b\" 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-40e0299\" data-id=\"40e0299\" 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-9b1b28b elementor-widget elementor-widget-text-editor\" data-id=\"9b1b28b\" 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>9.1\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u57fa\u790e\u6982\u5ff5<\/h2><ul><li><strong>\u5168\u7b49<\/strong><ul><li>\u6307\u5169\u500b\u5716\u5f62\u7684\u5f62\u72c0\u548c\u5927\u5c0f\u90fd\u5b8c\u5168\u76f8\u540c\u3002<\/li><li>\u4e00\u500b\u5716\u7d93\u5e73\u79fb\u3001\u53cd\u5c04\u6216\u65cb\u8f49\u8b8a\u63db\u5f8c\uff0c\u53ef\u5f97\u4e00\u500b\u8207\u539f\u4f86\u5168\u7b49\u7684\u5716\u5f62\u3002<\/li><\/ul><\/li><li><strong>\u76f8\u4f3c<\/strong><ul><li>\u6307\u5169\u500b\u5716\u5f62\u7684\u5f62\u72c0\u76f8\u540c\u3002<\/li><li>\u4e00\u500b\u5716\u5f62\u7d93\u653e\u5927\u6216\u7e2e\u5c0f\u8b8a\u63db\u5f8c\uff0c\u53ef\u7522\u751f\u4e00\u500b\u8207\u539f\u4f86\u76f8\u4f3c\u7684\u5716\u5f62\u3002<\/li><\/ul><\/li><\/ul><p>\u5169\u500b\u5168\u7b49\u5716\u5f62\u5fc5\u540c\u6642\u4e5f\u662f\u76f8\u4f3c\u5716\u5f62\u3002<\/p>\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-4275708 elementor-widget elementor-widget-text-editor\" data-id=\"4275708\" 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>9.2\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u5168\u7b49\u4e09\u89d2\u5f62 (Congruent Triangles)<\/h2><ul><li>\u7576\u5169\u500b\u4e09\u89d2\u5f62\u5168\u7b49\u6642\uff0c\u5b83\u5011\u6240\u6709\u5c0d\u61c9\u908a (corresponding sides) \u548c\u6240\u6709\u5c0d\u61c9\u89d2 (corresponding angles) \u90fd\u76f8\u7b49\u3002<\/li><li>\u300c\u4e09\u89d2\u5f62ABC\u5168\u7b49\u65bc\u4e09\u89d2\u5f62XYZ\u300d\u53ef\u5beb\u6210\u70ba \\(\\triangle ABC \\cong\u00a0 \\triangle XYZ\\)<ul><li>\u7576\u4e2d\u7684\u300c\\(\\cong\\)\u300d\u4ee3\u8868\u5168\u7b49\u3002<\/li><li>\u9808\u4f9d\u7167\u5c0d\u61c9\u89d2\u4e4b\u4f4d\u7f6e\u5beb\u51fa\u25b3\u3002<\/li><\/ul><\/li><\/ul><h3>9.2.1\u00a0\u00a0\u00a0\u00a0 \u4e09\u89d2\u5f62\u5168\u7b49\u7684\u689d\u4ef6<\/h3><p>\u8a66\u60f3\u50cf\u8001\u5e2b\u5411\u6bcf\u4f4d\u5b78\u751f\u6d3e3\u652f\u9577\u5ea6\u5206\u5225\u4fc23cm\u30014cm\u30015cm\u7684\u6728\u689d\uff0c\u7136\u5f8c\u53eb\u5927\u5bb6\u780c\u51fa\u4e00\u500b\u4e09\u89d2\u5f62\u3002\u8acb\u554f\u6709\u540c\u5b78\u80fd\u780c\u51fa\u4e00\u500b\u8207\u5176\u4ed6\u4eba\u4e0d\u540c\u7684\u4e09\u89d2\u5f62\u55ce?<\/p><p>\u7121\u932f\uff01\u4fc2\u7121\u53ef\u80fd\u5605\u3002\u6240\u6709\u4eba\u780c\u51fa\u569f\u5605\u4e09\u89d2\u5f62\u90fd\u4fc2\u4e00\u6a23\u5605\u3002\u6240\u4ee5\uff0c\u53ea\u8981\u300c\u5169\u500b\u4e09\u89d2\u5f62\u4e09\u5c0d\u5605\u5c0d\u61c9\u908a\u90fd\u76f8\u7b49\u300d\uff0c\u5481\u4f9d\u5169\u500b\u4e09\u89d2\u5f62\u5c31\u4fc2\u5168\u7b49(\u5373\u4e00\u6a21\u4e00\u6a23)\u3002\u70ba\u65b9\u4fbf\u66f8\u5beb\uff0c<\/p><ul><li>\u6709\u4e00\u5c0d\u5c0d\u61c9\u908a(side)\u76f8\u7b49\uff0c\u6703\u5beb\u4e00\u500bS (S = Side)<\/li><li>\u6709\u4e00\u96bb\u5c0d\u61c9\u89d2(angle)\u76f8\u7b49\uff0c\u6703\u5beb\u4e00\u500bA<\/li><\/ul><p>\u6240\u4ee5\uff0c\u300c\u4e09\u5c0d\u5605\u5c0d\u61c9\u908a\u90fd\u76f8\u7b49\u300d\u6703\u8a18\u4f5c\u300cSSS\u300d\u3002<\/p><p>\u7576\u660e\u767d\u5497S\u3001A\u4ee3\u8868\u54a9\u4e4b\u5f8c\uff0c\u6211\u5730\u53ef\u4ee5\u91cd\u6eab\u4e00\u5413\u80fd\u8b49\u660e\u8fd4\u5169\u500b\u4e09\u89d2\u5f62\u5168\u7b49\u5605\u689d\u4ef6\uff1a<\/p><ul><li>SSS<br \/>3\u5c0d\u5c0d\u61c9\u908a\u76f8\u7b49\u3002<\/li><li>SAS<br \/>\u5169\u5c0d\u5c0d\u61c9\u908a\u76f8\u7b49\u3001\u800c\u4e14\u593e\u4f4f\u55f0\u5c0d\u61c9\u89d2\u90fd\u76f8\u7b49\u3002<\/li><li>ASA<br \/>\u5169\u5c0d\u5c0d\u61c9\u89d2\u76f8\u7b49\u3001\u800c\u5169\u96bb\u89d2\u4e4b\u9593\u5605\u908a\u90fd\u76f8\u7b49\u3002<\/li><li>AAS<br \/>\u5176\u5be6\u56e0\u70ba\u300c\u4e09\u89d2\u5f62\u5167\u89d2\u548c\u4fc2180\u5ea6\u300d\uff0c\u6240\u4ee5\u7576\u6709\u5169\u5c0d\u5c0d\u61c9\u89d2\u4fc2\u76f8\u7b49\u5605\u6642\u5019\uff0c\u7b2c3\u5c0d\u5c0d\u61c9\u89d2\u90fd\u4fc2\u6703\u76f8\u7b49\u5605\u3002\u56e0\u6b64\uff0c\u7576AAS\u51fa\u73fe\u5605\u6642\u5019\uff0c\u5176\u5be6\u5373\u4fc2ASA\u51fa\u73fe\uff0c\u53ef\u4ee5\u5514\u53bb\u8a187 (\u6240\u4ee5\u55ba\u4e0b\u9762\u7e3d\u7d50\u5605\u5716\u5165\u9762\uff0cAAS\u4fc2\u7070\u5497\u5605)\u3002<\/li><li>RHS<ul><li>R \u4ee3\u8868\u5169\u500b\u4e09\u89d2\u5f62\u90fd\u6709\u96bb\u76f4\u89d2 (right angle)<\/li><li>H \u4ee3\u8868\u659c\u908a (hypotenuse)\u76f8\u7b49<\/li><li>S \u4ee3\u8868\u6709\u5c0d\u5c0d\u61c9\u908a\u76f8\u7b49<\/li><\/ul><\/li><\/ul><p>\u4e0b\u9762\u5605\u5716\u5c31\u4fc2\u7e3d\u7d50\u5497\u55ba\u5514\u540c\u5605\u689d\u4ef6\u4e0b\uff0c\u55f0\u5169\u500b\u25b3\u4fc2\u6703\u9ede\u300c\u5168\u7b49\u300d\u3002\u5927\u5bb6\u5927\u53ef\u8a66\u5413\u53ef\u5514\u53ef\u4ee5\u6309\u4f4f\u689d\u4ef6\u5481\u756b\uff0c\u800c\u53c8\u756b\u5230\u4e00\u500b\u5514\u540c\u5605\u25b3\u51fa\u569f\u3002 (\u756b\u5230\u5605\u8a71\u6211\u8ad7\u53ef\u4ee5\u53bb\u651e\u8afe\u8c9d\u723e\u6cd5\u65af\u7279\u596c!)<\/p><p><img fetchpriority=\"high\" decoding=\"async\" class=\"size-full wp-image-1099 aligncenter\" src=\"https:\/\/www.study-together.com\/edu\/wp-content\/uploads\/2020\/07\/f1maths_congruentTrinagle.jpg\" alt=\"\u5168\u7b49\u4e09\u89d2\u5f62\u4e4b\u689d\u4ef6\" width=\"612\" height=\"279\" srcset=\"https:\/\/www.study-together.com\/edu\/wp-content\/uploads\/2020\/07\/f1maths_congruentTrinagle.jpg 612w, https:\/\/www.study-together.com\/edu\/wp-content\/uploads\/2020\/07\/f1maths_congruentTrinagle-300x137.jpg 300w\" sizes=\"(max-width: 612px) 100vw, 612px\" \/><\/p><p>\u518d\u63d0\u4e00\u63d0\u5927\u5bb6\uff1a<\/p><ul><li style=\"list-style-type: none;\"><ul><li>\u5728\u4e0a\u5716\u4e2d\uff0c\\(\\triangle ABC \\cong\u00a0 \\triangle XYZ\\) \u4e0d\u53ef\u5beb\u4f5c \\(\\triangle ABC \\cong\u00a0 \\triangle YZX\\)\u3002\u5481\u4fc2\u56e0\u70ba\u6211\u5730\u4e00\u5b9a\u8981\u4f9d\u7167\u5c0d\u61c9\u89d2\u4e4b\u4f4d\u7f6e\u5beb\u51fa\u25b3\u3002<\/li><\/ul><\/li><\/ul><p>\u6ce8\u610f\uff1a\u00a0\u00a0\u00a0 SSA\u4e0d\u80fd\u7528\u4f5c\u8b49\u660e\u5168\u7b49\u4e09\u89d2\u5f62\u3002<\/p><p>\u4e0b\u5716\u4e2d\u5605 \u25b3DAB\u00a0 \u540c \u25b3DAC\uff0c<\/p><ul><li style=\"list-style-type: none;\"><ul><li>DA = DA\u00a0 (\u516c\u540c\u908a)<\/li><li>AB = AC (\u56e0\u70baAB\u540cAC\u90fd\u4fc2\u4ee5A\u9ede\u756b\u5605\u5713\u5605\u534a\u5f91)<\/li><li>\\(\\angle BDA = \\angle CDA\\)<img decoding=\"async\" class=\"size-full wp-image-1101 aligncenter\" src=\"https:\/\/www.study-together.com\/edu\/wp-content\/uploads\/2020\/07\/f1maths_ssa.gif\" alt=\"SSA\u4e0d\u80fd\u7528\u4f86\u8b49\u660e\u5168\u7b49\u4e09\u89d2\u5f62\" width=\"205\" height=\"127\" \/>\u56e0\u6b64\u689d\u4ef6\u300cSSA\u300d\u51fa\u73fe\u5497\uff0c\u4f46\u597d\u660e\u986f\u25b3DAB\u00a0 \u540c \u25b3DAC\u4fc2\u5514\u4e00\u6a23\u5605\u3002<\/li><\/ul><\/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-73524dc elementor-widget elementor-widget-text-editor\" data-id=\"73524dc\" 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>9.3\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u76f8\u4f3c\u4e09\u89d2\u5f62 (Similar Triangles)<\/h2><ul><li>\u82e5\u5169\u500b\u4e09\u89d2\u5f62\u76f8\u4f3c\uff0c\u5373\u4ee3\u8868<ul><li>\u4f62\u5730\u5605\u5c0d\u61c9\u89d2\u76f8\u7b49\u3002<\/li><li>\u4f62\u5730\u5605\u5c0d\u61c9\u908a\u6210\u6bd4\u4f8b (corresponding sides are proportional)\uff0c\u53733\u5c0d\u5c0d\u61c9\u908a\u5605\u908a\u9577\u6bd4\u4f8b\u4fc2\u4e00\u6a23\u5605\u3002<\/li><\/ul><\/li><li>\u300c\u4e09\u89d2\u5f62ABC\u548c\u4e09\u89d2\u5f62XYZ\u76f8\u4f3c\u300d\u53ef\u5beb\u6210\u70ba \\(\\triangle ABC \\sim \\triangle XYZ\\)<ul><li>\u00a0\u7576\u4e2d\u7684\u300c\\sim\u300d\u4ee3\u8868\u76f8\u4f3c\u3002<\/li><li>\u9808\u4f9d\u7167\u5c0d\u61c9\u89d2\u4e4b\u4f4d\u7f6e\u5beb\u51fa\u25b3\u3002<\/li><\/ul><\/li><\/ul><h3>9.3.1\u00a0\u00a0\u00a0\u00a0 \u4e09\u89d2\u5f62\u76f8\u4f3c\u7684\u689d\u4ef6<\/h3><p>\u53ef\u4ee5\u8b49\u660e\u5169\u500b\u4e09\u89d2\u5f62\u4fc2\u76f8\u4f3c\u5605\u689d\u4ef6\u5305\u63d2\uff1a<\/p><ul><li>AAA\uff5e<br \/>\u75763\u5c0d\u5c0d\u61c9\u89d2\u76f8\u7b49\u5605\u6642\u5019\uff0c\u5169\u500b\u4e09\u89d2\u5f62\u5605\u5f62\u72c0\u6703\u4e00\u6a23\uff0c\u6240\u4ee5\u4fc2\u76f8\u4f3c\u5605\u3002<\/li><li>SSS\uff5e<br \/>\u7559\u610f\u5514\u4fc2&#8221;SSS&#8221;\uff0c\u4fc2\u591a\u5497\u500b&#8221;\uff5e&#8221; (\u76f8\u4f3c\u7b26\u865f\u7684)\u3002\u4f9d\u5ea6\u300cSSS\uff5e\u300d\u4fc2\u4ee3\u88683\u5c0d\u5c0d\u61c9\u908a\u5605\u6bd4\u4f8b\u76f8\u7b49\u3002\u56e0\u6b64\u5169\u500b\u4e09\u89d2\u5f62\u5605\u72c0\u6703\u4e00\u6a23(\u5373\u4fc2\u76f8\u4f3c)\u3002<\/li><li>SAS\uff5e<br \/>\u4f9d\u500b\u540cSSS\uff5e\u5dee\u5514\u591a\uff0c\u4e3b\u8981\u90fd\u4fc2\u56e0\u70ba\u6709\u4e00\u5c0d\u5c0d\u61c9\u89d2\u76f8\u7b49\uff0c\u6240\u4ee5\u7576\u65c1\u908a\u5605\u5c0d\u61c9\u908a\u6bd4\u4f8b\u76f8\u7b49\u6642\uff0c\u5169\u500b\u4e09\u89d2\u5f62\u5605\u5f62\u72c0\u90fd\u4fc2\u6703\u4e00\u6a23\u3002<\/li><\/ul><p>\u9762\u5605\u5716\u5c31\u4fc2\u7e3d\u7d50\u5497\u55ba\u5514\u540c\u5605\u689d\u4ef6\u4e0b\uff0c\u55f0\u5169\u500b\u25b3\u4fc2\u6703\u9ede\u300c\u76f8\u4f3c\u300d\u5605\u3002<\/p><p><img decoding=\"async\" class=\"aligncenter wp-image-1106 size-full\" src=\"https:\/\/www.study-together.com\/edu\/wp-content\/uploads\/2020\/07\/f1maths_similarTriangleCond.jpg\" alt=\"\u76f8\u4f3c\u4e09\u89d2\u5f62\u7684\u689d\u4ef6\" width=\"609\" height=\"167\" srcset=\"https:\/\/www.study-together.com\/edu\/wp-content\/uploads\/2020\/07\/f1maths_similarTriangleCond.jpg 609w, https:\/\/www.study-together.com\/edu\/wp-content\/uploads\/2020\/07\/f1maths_similarTriangleCond-300x82.jpg 300w\" sizes=\"(max-width: 609px) 100vw, 609px\" \/><\/p><h3>9.3.2\u00a0\u00a0\u00a0\u00a0 \u76f8\u4f3c\u4e09\u89d2\u5f62\u7279\u6027<\/h3><p>\u5982\\(\\triangle ABC \\sim \\triangle XYZ\\)\uff0c\u5247<\/p><ul><li>\u5c0d\u61c9\u89d2\u76f8\u7b49\u3002\u5373<br \/>\u2220<em>A<\/em> = \u2220<em>X<\/em>\uff1b \u2220<em>B<\/em> = \u2220<em>Y<\/em>\uff1b\u00a0 \u2220C = \u2220<em>Z<\/em><\/li><li>3\u5c0d\u5c0d\u61c9\u908a\u5605\u6bd4\u4f8b\u90fd\u4fc2\u4e00\u3002\u5373<br \/>\\(\\frac{AB}{XY} = \\frac{BC}{YZ} = \\frac{CA}{ZX} \\)<\/li><\/ul><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-212b11d elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"212b11d\" 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-fa4e60f\" data-id=\"fa4e60f\" 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-706e412 elementor-widget elementor-widget-text-editor\" data-id=\"706e412\" 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<span style=\"color: #000000;\"><a style=\"color: #000000;\" href=\"https:\/\/www.study-together.com\/edu\/secondary\/form1_maths\/symmetry-and-transformation\/\"><i class=\"far fa-arrow-alt-circle-left\" aria-hidden=\"true\"><\/i> \u5c0d\u7a31\u53ca\u8b8a\u63db<\/a><\/span>\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-5f046b1\" data-id=\"5f046b1\" 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-e6b35a1\" data-id=\"e6b35a1\" 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-43d13f9 elementor-widget elementor-widget-text-editor\" data-id=\"43d13f9\" 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\/estimation-in-measurements\/\">\u91cf\u5ea6\u65b9\u9762\u7684\u4f30\u8a08 <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-208d1a6\" data-id=\"208d1a6\" 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-0206ff4 elementor-widget elementor-widget-sidebar\" data-id=\"0206ff4\" 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>9.1\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u57fa\u790e\u6982\u5ff5 \u5168\u7b49 \u6307\u5169\u500b\u5716\u5f62\u7684\u5f62\u72c0\u548c\u5927\u5c0f\u90fd\u5b8c\u5168\u76f8\u540c\u3002 \u4e00\u500b\u5716\u7d93\u5e73\u79fb\u3001\u53cd\u5c04\u6216\u65cb\u8f49\u8b8a\u63db\u5f8c\uff0c [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":923,"menu_order":8,"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-1096","page","type-page","status-publish","hentry","entry"],"yoast_head":"<!-- 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