{"id":1254,"date":"2010-12-16T21:12:49","date_gmt":"2010-12-16T13:12:49","guid":{"rendered":"https:\/\/2blog.ilc.edu.tw\/2341\/2010\/12\/16\/%e5%9b%a0%e5%bc%8f%e5%88%86%e8%a7%a3%e5%b8%b8%e8%a6%8b%e9%8c%af%e8%aa%a4\/"},"modified":"2021-03-18T19:41:41","modified_gmt":"2021-03-18T11:41:41","slug":"%e5%9b%a0%e5%bc%8f%e5%88%86%e8%a7%a3%e5%b8%b8%e8%a6%8b%e9%8c%af%e8%aa%a4","status":"publish","type":"post","link":"https:\/\/2blog.ilc.edu.tw\/2341\/2010\/12\/16\/%e5%9b%a0%e5%bc%8f%e5%88%86%e8%a7%a3%e5%b8%b8%e8%a6%8b%e9%8c%af%e8%aa%a4\/","title":{"rendered":"\u56e0\u5f0f\u5206\u89e3\u5e38\u898b\u932f\u8aa4"},"content":{"rendered":"<p>\n\u516b\u4e0a\u6578\u5b78\u7684\u56e0\u5f0f\u5206\u89e3\u55ae\u5143\uff0c\u6559\u4e86\u5f88\u591a\u6b21\uff0c\u4ee5\u524d\u6559\u5f97\u7406\u6240\u7576\u7136\uff0c\u9019\u6b21\u767c\u73fe\u4e86\u5f88\u591a\u5b78\u751f\u8a08\u7b97\u932f\u8aa4\u7684\u601d\u8003\u65b9\u5f0f\uff0c\u5728\u6b64\u7559\u4e0b\u8a18\u9304\uff0c\u4ee5\u5f8c\u9084\u53ef\u4ee5\u63d0\u9192\u4e0b\u4e00\u5c46\u7684\u5b78\u751f\u907f\u514d\u72af\u540c\u6a23\u7684\u932f\u8aa4\u3002<br \/>\n\u9996\u5148\u662f &quot;\u63d0\u516c\u56e0\u5f0f&quot; \u65b9\u6cd5\uff0c\u5728\u6559\u5b78\u7684\u6642\u5019\uff0c\u5b78\u751f\u7684\u7591\u60d1\u6709:\n<\/p>\n<ul>\n<li>ax+ay=a(x+y) \u70ba\u4ec0\u9ebc\u5169\u500b a \u63d0\u51fa\u53bb\uff0c\u53ea\u5269\u4e00\u500b? (\u5206\u914d\u5f8b\u7684\u53cd\u904b\u7b97\u6982\u5ff5\u4e0d\u6e05\u695a)<\/li>\n<li>-ax+ay=-a(x-y) \u70ba\u4ec0\u9ebc\u62ec\u865f\u88e1\u9762\u8981\u8b8a\u865f?<\/li>\n<li>x(2x+1)-x(x+2) = x[2x+1-x+2] \u63d0\u51fa x \u4e4b\u5f8c, \u5269\u4e0b\u4f86\u7684\u5f0f\u5b50\u6c92\u6709\u52a0\u62ec\u865f, \u4e5f\u5c31\u5fd8\u4e86\u8b8a\u865f<\/li>\n<li>(a+1)x+a+1 = (a+1)(x+1) \u6709\u4e9b\u5b78\u751f\u770b\u4e0d\u51fa\u5f8c\u5169\u9805\u7684 a+1 \u662f\u540c\u4e00\u7d44, \u4e5f\u6703\u4ee5\u70ba\u5f8c\u9805\u7684 a \u63d0\u51fa\u4f86\u4e4b\u5f8c\u5c31\u7a7a\u4e86, (a+1)x+(a+1) \u8b8a\u6210 (a+1)(x)<\/li>\n<li><img decoding=\"async\" src=\"http:\/\/latex.codecogs.com\/gif.latex?(x-4)(x%2B3)%5E2-(x-4)%5E2(x%2B3)%3D(x-4)(x%2B3)%5B(x-4)-(x%2B3)%5D\" border=\"0\" width=\"532\" height=\"20\" \/>&nbsp;\u9019\u662f\u932f\u8aa4\u7684\u7d50\u679c, \u4e2d\u62ec\u865f\u88e1\u61c9\u8a72\u662f [(x+3)-(x-4)], \u6709\u5b78\u751f\u4ee5\u70ba (x-4) \u5728 (x+3) \u4e4b\u524d, \u6240\u4ee5\u5c31\u4e00\u76f4\u662f\u9019\u6a23. \u4e8b\u5be6\u4e0a\u662f\u524d\u9805\u5269 (x+3), \u5f8c\u9805\u5269 (x-4), \u4f4d\u7f6e\u4e0d\u80fd\u5c0d\u8abf.<\/li>\n<\/ul>\n<p>\n\u63a5\u4e0b\u4f86\u662f &quot;\u4e58\u6cd5\u516c\u5f0f\u56e0\u5f0f\u5206\u89e3&quot; \u7684\u932f\u8aa4\u8a08\u7b97:\n<\/p>\n<p>\n[@more@]\n<\/p>\n<p>\n\u70ba\u4e86\u5c55\u73fe\u5e73\u65b9\u5dee\u7684\u5f62\u5f0f, <img decoding=\"async\" src=\"http:\/\/latex.codecogs.com\/gif.latex?x%5E2-1%20%3D%20x%5E2-1%5E2\" border=\"0\" width=\"128\" height=\"15\" \/>&nbsp;\u5b78\u751f\u6703\u7591\u60d1\u70ba\u4ec0\u9ebc\u6700\u5f8c\u90a3\u500b 1 \u6703\u591a\u51fa 2 \u6b21\u65b9.<br \/>\n\u89e3\u91cb <img decoding=\"async\" src=\"http:\/\/latex.codecogs.com\/gif.latex?1%20%3D1%5E2\" border=\"0\" width=\"42\" height=\"15\" \/>&nbsp;\u662f\u76f8\u540c\u7684\u503c\u5f8c, \u5b78\u751f\u53ef\u80fd\u6703\u767c\u751f\u53e6\u4e00\u500b\u932f\u8aa4: <br \/>\n<img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/latex.codecogs.com\/gif.latex?x%5E2-9%3Dx%5E2-9%5E2\" border=\"0\" width=\"116\" height=\"15\" \/>&nbsp;\u9019\u984c\u61c9\u8a72\u662f\u5c07\u5f8c\u9805\u7684 9 \u6539\u6210 <img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/latex.codecogs.com\/gif.latex?3%5E2\" border=\"0\" width=\"13\" height=\"15\" \/>, \u800c\u4e0d\u662f\u76f4\u63a5\u5e6b 9 \u52a0\u4e0a 2 \u6b21\u65b9, \u9019\u6a23\u6703\u6539\u8b8a\u539f\u672c\u5f0f\u5b50\u7684\u7d50\u679c. \u518d\u5217\u8209\u4e00\u4e9b\u5e38\u898b\u7684\u932f\u8aa4\u8a08\u7b97\u65b9\u5f0f:\n<\/p>\n<p>\n<img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/latex.codecogs.com\/gif.latex?4x%5E2-9\" border=\"0\" width=\"52\" height=\"15\" \/>&nbsp;= (4x+9)(4x-9) \u9019\u500b\u5c31\u662f\u5c0d\u5e73\u65b9\u5dee\u516c\u5f0f\u4e0d\u77ad\u89e3. \u5e73\u65b9\u5dee\u516c\u5f0f\u61c9\u8a72\u662f\u8a08\u7b97 &quot;\u5169\u500b\u5e73\u65b9\u9805&quot; \u7684 &quot;\u5dee&quot;, \u4e5f\u6709\u5b78\u751f\u5c07\u539f\u5f0f\u6539\u6210&nbsp;<img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/latex.codecogs.com\/gif.latex?4x%5E2-9%20%3D%204x%5E2-3%5E2\" border=\"0\" width=\"132\" height=\"15\" \/>, \u6709\u5169\u500b\u5e73\u65b9\u9805, \u537b\u8a08\u7b97\u6210 <br \/>\n<img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/latex.codecogs.com\/gif.latex?4x%5E2-9%20%3D%204x%5E2-3%5E2\" border=\"0\" width=\"132\" height=\"15\" \/>&nbsp;= (4x+3)(4x-3) \u4e5f\u5c31\u662f\u524d\u9805\u7684 <img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/latex.codecogs.com\/gif.latex?4x%5E2\" border=\"0\" width=\"23\" height=\"15\" \/>&nbsp;\u6c92\u6709\u6539\u6210 <img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/latex.codecogs.com\/gif.latex?2%5E2x%5E2%3D(2x)%5E2\" border=\"0\" width=\"87\" height=\"19\" \/>\n<\/p>\n<p>\n\u53e6\u4e00\u7a2e\u984c\u578b <img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/latex.codecogs.com\/gif.latex?-9x%5E2%2B4\" border=\"0\" width=\"64\" height=\"16\" \/>&nbsp;\u61c9\u8a72\u8981\u524d\u5f8c\u9805\u985b\u5012\u518d\u7528\u5e73\u65b9\u5dee\u516c\u5f0f\u505a\u56e0\u5f0f\u5206\u89e3, \u4f46\u6709\u5b78\u751f\u5beb\u6210<br \/>\n<img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/latex.codecogs.com\/gif.latex?(-3x)%5E2%2B2%5E2%3D(-3x%2B2)(-3x-2)\" border=\"0\" width=\"246\" height=\"19\" \/>\n<\/p>\n<p>\n\u56e0\u5f0f\u5206\u89e3\u4e0d\u719f\u7df4\u7684\u5b78\u751f\u770b\u5230 <img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/latex.codecogs.com\/gif.latex?-x%5E2%2B2x-1\" border=\"0\" width=\"92\" height=\"16\" \/>&nbsp;\u4fbf\u4e0d\u77e5\u9053\u5982\u4f55\u8a08\u7b97, \u7576\u8001\u5e2b\u63d0\u793a\u5c07\u8ca0\u865f\u63d0\u51fa\u4f86\u5f8c, \u8b8a\u6210 <img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/latex.codecogs.com\/gif.latex?-(x%5E2-2x%2B1)\" border=\"0\" width=\"105\" height=\"19\" \/>&nbsp;\u9664\u4e86\u8b8a\u865f\u7684\u554f\u984c\u4e4b\u5916, \u9084\u6709\u5b78\u751f\u554f\u6211: \u70ba\u4ec0\u9ebc\u8ca0\u865f\u63d0\u51fa\u4f86\u5f8c, <img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/latex.codecogs.com\/gif.latex?x%5E2\" border=\"0\" width=\"15\" height=\"15\" \/>&nbsp;\u524d\u9762\u9084\u6709\u8ca0\u865f\u5462? \u6703\u9019\u6a23\u554f\u7684\u5b78\u751f, \u9023\u57fa\u672c\u7684\u62ec\u865f\u7684\u4f5c\u7528\u90fd\u4e0d\u6e05\u695a.\n<\/p>\n<p>\n\u5b78\u751f\u7684\u8b2c\u8aa4, \u900f\u904e\u6279\u6539\u5b78\u751f\u7684\u8a08\u7b97\u984c, \u6216\u662f\u55ae\u7368\u4e00\u5c0d\u4e00\u6559\u5c0e\u5b78\u751f\u6642, \u5c31\u53ef\u4ee5\u767c\u73fe\u4e00\u4e9b\u7aef\u502a, \u9019\u4e9b\u932f\u8aa4\u7684\u8a08\u7b97\u5e38\u5e38\u91cd\u8907\u6027\u7684\u767c\u751f, \u8001\u5e2b\u6c92\u6ce8\u610f\u6642, \u5b78\u751f\u53c8\u4e0d\u767c\u554f, \u5c31\u6703\u4e00\u932f\u518d\u932f, \u632b\u6298\u611f\u52a0\u6df1. \u9019\u500b\u55ae\u5143\u5e7e\u4e4e\u6bcf\u5e74\u6211\u90fd\u6709\u6559\u5230, \u537b\u662f\u5728\u591a\u5e74\u5f8c\u624d\u6709\u9019\u4e9b\u60f3\u6cd5\u8207\u601d\u8003, \u6216\u8a31\u662f\u6559\u5b78\u5fc3\u5883\u548c\u4ee5\u524d\u4e0d\u540c\u4e86\u5427!<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u516b\u4e0a\u6578\u5b78\u7684\u56e0\u5f0f\u5206\u89e3\u55ae\u5143\uff0c\u6559\u4e86\u5f88\u591a\u6b21\uff0c\u4ee5\u524d\u6559\u5f97\u7406\u6240\u7576\u7136\uff0c\u9019\u6b21\u767c\u73fe\u4e86\u5f88\u591a\u5b78\u751f\u8a08\u7b97\u932f\u8aa4\u7684\u601d\u8003\u65b9\u5f0f\uff0c\u5728\u6b64\u7559\u4e0b\u8a18\u9304\uff0c\u4ee5\u5f8c&#8230; &raquo; <a class=\"read-more-link\" href=\"https:\/\/2blog.ilc.edu.tw\/2341\/2010\/12\/16\/%e5%9b%a0%e5%bc%8f%e5%88%86%e8%a7%a3%e5%b8%b8%e8%a6%8b%e9%8c%af%e8%aa%a4\/\">\u95b1\u8b80\u5168\u6587<\/a><\/p>\n","protected":false},"author":76,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[30],"tags":[],"class_list":["post-1254","post","type-post","status-publish","format-standard","hentry","category-c-20023"],"meta_key":{"lt_post_id":["136242"],"_jetpack_related_posts_cache":["a:1:{s:32:\"8f6677c9d6b0f903e98ad32ec61f8deb\";a:2:{s:7:\"expires\";i:1578457046;s:7:\"payload\";a:0:{}}}"],"_pingme":["1"],"_encloseme":["1"]},"_links":{"self":[{"href":"https:\/\/2blog.ilc.edu.tw\/2341\/wp-json\/wp\/v2\/posts\/1254"}],"collection":[{"href":"https:\/\/2blog.ilc.edu.tw\/2341\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/2blog.ilc.edu.tw\/2341\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/2blog.ilc.edu.tw\/2341\/wp-json\/wp\/v2\/users\/76"}],"replies":[{"embeddable":true,"href":"https:\/\/2blog.ilc.edu.tw\/2341\/wp-json\/wp\/v2\/comments?post=1254"}],"version-history":[{"count":1,"href":"https:\/\/2blog.ilc.edu.tw\/2341\/wp-json\/wp\/v2\/posts\/1254\/revisions"}],"predecessor-version":[{"id":1733,"href":"https:\/\/2blog.ilc.edu.tw\/2341\/wp-json\/wp\/v2\/posts\/1254\/revisions\/1733"}],"wp:attachment":[{"href":"https:\/\/2blog.ilc.edu.tw\/2341\/wp-json\/wp\/v2\/media?parent=1254"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/2blog.ilc.edu.tw\/2341\/wp-json\/wp\/v2\/categories?post=1254"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/2blog.ilc.edu.tw\/2341\/wp-json\/wp\/v2\/tags?post=1254"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}