{"id":258,"date":"2025-03-24T19:11:01","date_gmt":"2025-03-24T11:11:01","guid":{"rendered":"https:\/\/tilearn.space\/?p=258"},"modified":"2025-03-24T19:12:21","modified_gmt":"2025-03-24T11:12:21","slug":"2024%e5%b1%8a%e5%ae%9d%e5%b1%b1%e5%8c%ba%e5%88%9d%e4%b8%89%e4%ba%8c%e6%a8%a1%e6%95%b0%e5%ad%a6%e8%af%95%e5%8d%b7%e7%b2%be%e8%ae%b2%ef%bc%88%e7%ac%ac8%e9%a2%98%ef%bc%89","status":"publish","type":"post","link":"https:\/\/tilearn.space\/?p=258","title":{"rendered":"2024\u5c4a\u5b9d\u5c71\u533a\u521d\u4e09\u4e8c\u6a21\u6570\u5b66\u8bd5\u5377\u7cbe\u8bb2\uff08\u7b2c8\u9898\uff09"},"content":{"rendered":"

\u9898\u76ee8. \u56e0\u5f0f\u5206\u89e3\uff1a\\( m^2 – 3m = \\)<\/p>\n

\u8be6\u7ec6\u8bb2\u89e3\uff1a<\/strong><\/p>\n

\u8fd9\u9053\u9898\u76ee\u8981\u6c42\u6211\u4eec\u5bf9\u591a\u9879\u5f0f \\( m^2 – 3m \\) \u8fdb\u884c\u56e0\u5f0f\u5206\u89e3\u3002\u9996\u5148\uff0c\u6211\u4eec\u9700\u8981\u56de\u987e\u4e00\u4e0b\u56e0\u5f0f\u5206\u89e3\u7684\u57fa\u672c\u6982\u5ff5\u548c\u65b9\u6cd5\u3002<\/p>\n

\u77e5\u8bc6\u70b9\u590d\u4e60\uff1a<\/strong><\/p>\n

1. \u516c\u56e0\u5f0f\u6cd5\uff1a\u5982\u679c\u591a\u9879\u5f0f\u7684\u5404\u9879\u6709\u516c\u56e0\u5f0f\uff0c\u53ef\u4ee5\u63d0\u53d6\u516c\u56e0\u5f0f\u8fdb\u884c\u56e0\u5f0f\u5206\u89e3\u3002
\n2. \u5341\u5b57\u76f8\u4e58\u6cd5\uff1a\u9002\u7528\u4e8e\u4e8c\u6b21\u4e09\u9879\u5f0f \\( ax^2 + bx + c \\)\uff0c\u5bfb\u627e\u4e24\u4e2a\u6570\uff0c\u5b83\u4eec\u7684\u4e58\u79ef\u7b49\u4e8e \\( ac \\)\uff0c\u548c\u7b49\u4e8e \\( b \\)\u3002
\n3. \u5b8c\u5168\u5e73\u65b9\u516c\u5f0f\uff1a\\( a^2 \\pm 2ab + b^2 = (a \\pm b)^2 \\)
\n4. \u5dee\u5e73\u65b9\u516c\u5f0f\uff1a\\( a^2 – b^2 = (a + b)(a – b) \\)<\/p>\n

\u89e3\u9898\u6b65\u9aa4\uff1a<\/strong><\/p>\n

\u89c2\u5bdf\u591a\u9879\u5f0f \\( m^2 – 3m \\)\uff0c\u6211\u4eec\u53ef\u4ee5\u53d1\u73b0\u6bcf\u4e00\u9879\u90fd\u6709\u4e00\u4e2a\u516c\u56e0\u5f0f \\( m \\)\u3002<\/p>\n

\u56e0\u6b64\uff0c\u6211\u4eec\u53ef\u4ee5\u63d0\u53d6\u516c\u56e0\u5f0f \\( m \\)\uff1a<\/p>\n

\\( m^2 – 3m = m(m – 3) \\)<\/p>\n

\u6240\u4ee5\uff0c\u56e0\u5f0f\u5206\u89e3\u7684\u7ed3\u679c\u662f \\( m(m – 3) \\)\u3002<\/p>\n

\u6613\u9519\u70b9\u6269\u5c55\uff1a<\/strong><\/p>\n

1. \u5fd8\u8bb0\u63d0\u53d6\u516c\u56e0\u5f0f\uff1a\u5728\u8fdb\u884c\u56e0\u5f0f\u5206\u89e3\u65f6\uff0c\u9996\u5148\u8981\u68c0\u67e5\u662f\u5426\u6709\u516c\u56e0\u5f0f\u53ef\u4ee5\u63d0\u53d6\uff0c\u8fd9\u662f\u6700\u57fa\u7840\u4e5f\u662f\u6700\u5bb9\u6613\u5ffd\u7565\u7684\u4e00\u6b65\u3002
\n2. \u7b26\u53f7\u9519\u8bef\uff1a\u5728\u63d0\u53d6\u516c\u56e0\u5f0f\u540e\uff0c\u8981\u6ce8\u610f\u5269\u4f59\u90e8\u5206\u7684\u7b26\u53f7\u662f\u5426\u6b63\u786e\uff0c\u4f8b\u5982\u672c\u9898\u4e2d \\( m – 3 \\) \u800c\u4e0d\u662f \\( m + 3 \\)\u3002
\n3. \u5b8c\u5168\u5206\u89e3\uff1a\u786e\u4fdd\u56e0\u5f0f\u5206\u89e3\u5f7b\u5e95\uff0c\u4e0d\u80fd\u6709\u8fdb\u4e00\u6b65\u5206\u89e3\u7684\u4f59\u5730\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

\u9898\u76ee8. \u56e0\u5f0f\u5206\u89e3\uff1a\\( m^2 – 3m = \\) \u8be6\u7ec6\u8bb2\u89e3\uff1a \u8fd9\u9053\u9898\u76ee\u8981\u6c42\u6211\u4eec\u5bf9\u591a\u9879\u5f0f \\( […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-258","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/tilearn.space\/index.php?rest_route=\/wp\/v2\/posts\/258","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/tilearn.space\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/tilearn.space\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/tilearn.space\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/tilearn.space\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=258"}],"version-history":[{"count":2,"href":"https:\/\/tilearn.space\/index.php?rest_route=\/wp\/v2\/posts\/258\/revisions"}],"predecessor-version":[{"id":260,"href":"https:\/\/tilearn.space\/index.php?rest_route=\/wp\/v2\/posts\/258\/revisions\/260"}],"wp:attachment":[{"href":"https:\/\/tilearn.space\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=258"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/tilearn.space\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=258"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/tilearn.space\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=258"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}