{"id":268,"date":"2014-01-20T21:00:22","date_gmt":"2014-01-20T13:00:22","guid":{"rendered":"http:\/\/www.xuehelp.cn\/?p=268"},"modified":"2014-01-20T21:00:22","modified_gmt":"2014-01-20T13:00:22","slug":"%e6%9f%90%e6%97%85%e6%b8%b8%e7%82%b9%e6%9c%8950%e8%be%86%e8%87%aa%e8%a1%8c%e8%bd%a6%e4%be%9b%e6%b8%b8%e5%ae%a2%e7%a7%9f%e8%b5%81%e4%bd%bf%e7%94%a8","status":"publish","type":"post","link":"http:\/\/www.xuehelp.cn\/index.php\/archives\/268","title":{"rendered":"\u67d0\u65c5\u6e38\u70b9\u670950\u8f86\u81ea\u884c\u8f66\u4f9b\u6e38\u5ba2\u79df\u8d41\u4f7f\u7528"},"content":{"rendered":"<p>\u67d0\u65c5\u6e38\u70b9\u670950\u8f86\u81ea\u884c\u8f66\u4f9b\u6e38\u5ba2\u79df\u8d41\u4f7f\u7528\uff0c\u7ba1\u7406\u8fd9\u4e9b\u81ea\u884c\u8f66\u7684\u8d39\u7528\u662f\u6bcf\u65e5115\u5143\uff0c\u6839\u636e\u7ecf\u9a8c\uff0c\u82e5\u6bcf\u8f86\u81ea\u884c\u8f66\u7684\u65e5\u79df\u91d1\u4e0d\u8d85\u8fc76\u5143\uff0c\u5219\u81ea\u884c\u8f66\u53ef\u4ee5\u5168\u90e8\u79df\u51fa\uff1b\u82e5\u8d85\u8fc76\u5143\uff0c\u5219\u6bcf\u63d0\u9ad81\u5143\uff0c\u79df\u4e0d\u51fa\u53bb\u7684\u81ea\u884c\u8f66\u5c31\u589e\u52a03\u8f86\uff0e<!--more--><br \/>\n\u89c4\u5b9a\uff1a\u6bcf\u8f86\u81ea\u884c\u8f66\u7684\u65e5\u79df\u91d1\u4e0d\u8d85\u8fc720\u5143\uff0c\u6bcf\u8f86\u81ea\u884c\u8f66\u7684\u65e5\u79df\u91d1x\u5143\u53ea\u53d6\u6574\u6570\uff0c\u5e76\u8981\u6c42\u51fa\u79df\u6240\u6709\u81ea\u884c\u8f66\u4e00\u65e5\u7684\u603b\u6536\u5165\u5fc5\u987b\u8d85\u8fc7\u4e00\u65e5\u7684\u7ba1\u7406\u8d39\u7528\uff0c\u7528y\u8868\u793a\u51fa\u79df\u6240\u6709\u81ea\u884c\u8f66\u7684\u65e5\u51c0\u6536\u5165\uff08\u5373\u4e00\u65e5\u4e2d\u51fa\u79df\u6240\u6709\u81ea\u884c\u8f66\u7684\u603b\u6536\u5165\u51cf\u53bb\u7ba1\u7406\u8d39\u7528\u540e\u7684\u6240\u5f97\uff09\uff0e<br \/>\n<strong>\u89e3\u7b54\uff1a<\/strong><br \/>\n\uff081\uff09\u5f53x\u22646\u65f6\uff0cy=50x-115\uff0c\u4ee450x-115\uff1e0\uff0c\u53ef\u5f973\u2264x\u22646\uff0c\u4e14x\u2208N\uff0e\u5f536\uff1cx\u226420\u65f6\uff0cy=[50-3\uff08x-6\uff09]x-115=-3&#215;2+68x-115\uff0e<br \/>\n<a href=\"http:\/\/www.xuehelp.cn\/wp-content\/uploads\/2014\/01\/\u67d0\u65c5\u6e38\u70b9\u670950\u8f86\u81ea\u884c\u8f66\u4f9b\u6e38\u5ba2\u79df\u8d41\u4f7f\u7528.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-269\" alt=\"\u67d0\u65c5\u6e38\u70b9\u670950\u8f86\u81ea\u884c\u8f66\u4f9b\u6e38\u5ba2\u79df\u8d41\u4f7f\u7528\" src=\"http:\/\/www.xuehelp.cn\/wp-content\/uploads\/2014\/01\/\u67d0\u65c5\u6e38\u70b9\u670950\u8f86\u81ea\u884c\u8f66\u4f9b\u6e38\u5ba2\u79df\u8d41\u4f7f\u7528.jpg\" width=\"604\" height=\"328\" srcset=\"http:\/\/www.xuehelp.cn\/wp-content\/uploads\/2014\/01\/\u67d0\u65c5\u6e38\u70b9\u670950\u8f86\u81ea\u884c\u8f66\u4f9b\u6e38\u5ba2\u79df\u8d41\u4f7f\u7528.jpg 604w, http:\/\/www.xuehelp.cn\/wp-content\/uploads\/2014\/01\/\u67d0\u65c5\u6e38\u70b9\u670950\u8f86\u81ea\u884c\u8f66\u4f9b\u6e38\u5ba2\u79df\u8d41\u4f7f\u7528-300x162.jpg 300w\" sizes=\"(max-width: 604px) 100vw, 604px\" \/><\/a><\/p>\n<p>\uff082\uff09\u5206\u7c7b\u8ba8\u8bba\uff1a\u5f53x\u22646\u65f6\uff0c\u5229\u7528\u4e00\u6b21\u51fd\u6570\u7684\u5355\u8c03\u6027\u53ef\u5f97\u5176\u6700\u5927\u503c\uff1b\u5f536\uff1cx\u226420\u65f6\uff0c\u5229\u7528\u4e8c\u6b21\u51fd\u6570\u7684\u5355\u8c03\u6027\u53ef\u5f97\u5176\u6700\u5927\u503c\uff0e<\/p>\n<p><strong>\u89e3\u9898\u5206\u6790\uff1a<\/strong>\u672c\u9898\u662f\u8003\u5bdf\u51fd\u6570\u7684\u6027\u8d28\u53ca\u5e94\u7528\u7684\u51fd\u6570\u6a21\u578b\u7684\u9009\u62e9\u4e0e\u5e94\u7528\u9898\uff0c\u6839\u636e\u4e8c\u6b21\u51fd\u6570\u7684\u5355\u8c03\u6027\u3001\u5206\u6bb5\u51fd\u6570\u7684\u610f\u4e49\u3001\u5206\u7c7b\u8ba8\u8bba\u7b49\u57fa\u7840\u77e5\u8bc6\u4e0e\u57fa\u672c\u6280\u80fd\u65b9\u6cd5\u53ef\u4ee5\u89e3\u51b3\u6b64\u9898\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u67d0\u65c5\u6e38\u70b9\u670950\u8f86\u81ea\u884c\u8f66\u4f9b\u6e38\u5ba2\u79df\u8d41\u4f7f\u7528\uff0c\u7ba1\u7406\u8fd9\u4e9b\u81ea\u884c\u8f66\u7684\u8d39\u7528\u662f\u6bcf\u65e5115\u5143\uff0c\u6839\u636e\u7ecf\u9a8c\uff0c\u82e5\u6bcf\u8f86\u81ea\u884c\u8f66\u7684\u65e5\u79df\u91d1\u4e0d\u8d85\u8fc7 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[175,14],"_links":{"self":[{"href":"http:\/\/www.xuehelp.cn\/index.php\/wp-json\/wp\/v2\/posts\/268"}],"collection":[{"href":"http:\/\/www.xuehelp.cn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.xuehelp.cn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.xuehelp.cn\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.xuehelp.cn\/index.php\/wp-json\/wp\/v2\/comments?post=268"}],"version-history":[{"count":1,"href":"http:\/\/www.xuehelp.cn\/index.php\/wp-json\/wp\/v2\/posts\/268\/revisions"}],"predecessor-version":[{"id":270,"href":"http:\/\/www.xuehelp.cn\/index.php\/wp-json\/wp\/v2\/posts\/268\/revisions\/270"}],"wp:attachment":[{"href":"http:\/\/www.xuehelp.cn\/index.php\/wp-json\/wp\/v2\/media?parent=268"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.xuehelp.cn\/index.php\/wp-json\/wp\/v2\/categories?post=268"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.xuehelp.cn\/index.php\/wp-json\/wp\/v2\/tags?post=268"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}