{"id":311,"date":"2025-07-17T15:09:19","date_gmt":"2025-07-17T15:09:19","guid":{"rendered":"http:\/\/west.wangyuansheng.cn\/?p=311"},"modified":"2025-07-18T06:00:38","modified_gmt":"2025-07-18T06:00:38","slug":"%e6%8c%96%e8%83%a1%e8%90%9d%e5%8d%9c","status":"publish","type":"post","link":"http:\/\/west.wangyuansheng.cn\/?p=311","title":{"rendered":"\u6316\u80e1\u841d\u535c"},"content":{"rendered":"\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"969\" height=\"873\" src=\"http:\/\/west.wangyuansheng.cn\/wp-content\/uploads\/2025\/07\/1601.png\" alt=\"\" class=\"wp-image-312\" srcset=\"http:\/\/west.wangyuansheng.cn\/wp-content\/uploads\/2025\/07\/1601.png 969w, http:\/\/west.wangyuansheng.cn\/wp-content\/uploads\/2025\/07\/1601-300x270.png 300w, http:\/\/west.wangyuansheng.cn\/wp-content\/uploads\/2025\/07\/1601-768x692.png 768w\" sizes=\"auto, (max-width: 969px) 100vw, 969px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\u95ee\u9898\u5206\u6790<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u8ba9\u6211\u4eec\u7528\u7b80\u5355\u7684\u6570\u5b66\u65b9\u6cd5\u6765\u7406\u89e3\u8fd9\u4e2a\u95ee\u9898\u3002\u6545\u4e8b\u91cc\u6709\u4e09\u4e2a\u5c0f\u52a8\u7269\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u5c0f\u5154\u6731\u8fea\u6316\u4e86 ( x ) \u4e2a\u80e1\u841d\u535c\u3002<\/li>\n\n\n\n<li>\u72d0\u72f8\u5c3c\u514b\u6316\u7684\u80e1\u841d\u535c\u6570\u91cf\u662f\u5c0f\u5154\u7684 <strong>3\u500d<\/strong>\uff0c\u6240\u4ee5\u72d0\u72f8\u5c3c\u514b\u6316\u4e86 ( 3 * x ) \u4e2a\u3002<\/li>\n\n\n\n<li>\u5c0f\u7f8a\u8096\u6069\u6316\u7684\u6bd4\u72d0\u72f8\u5c3c\u514b\u5c11 <strong>8\u4e2a<\/strong>\uff0c\u6240\u4ee5\u5c0f\u7f8a\u8096\u6069\u6316\u4e86 (3 * x) &#8211; 8 \u4e2a\u3002<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u8981\u8ba1\u7b97\u5e73\u5747\u6bcf\u4e2a\u52a8\u7269\u6316\u4e86\u591a\u5c11\u80e1\u841d\u535c\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u603b\u80e1\u841d\u535c\u6570 = \u5c0f\u5154\u7684 ( x ) + \u72d0\u72f8\u7684 ( 3 * x ) + \u5c0f\u7f8a\u7684 (3 * x &#8211; 8) = 7x &#8211; 8<\/li>\n\n\n\n<li>\u5e73\u5747\u6570\u91cf = \u603b\u80e1\u841d\u535c\u6570 \u00f7 3 = \uff08 7x &#8211; 8 \uff09 \/ 3<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u6570\u5b66\u6a21\u578b<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u72d0\u72f8\u5c3c\u514b\u7684\u6570\u91cf\uff1afox=3\u00d7<em>x<\/em><\/li>\n\n\n\n<li>\u5c0f\u7f8a\u8096\u6069\u7684\u6570\u91cf\uff1asheep=3 * x\u22128<\/li>\n\n\n\n<li>\u5e73\u5747\u80e1\u841d\u535c\u6570\uff1aaverage= \uff08 7x &#8211; 8 \uff09 \/ 3<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u7f16\u7a0b\u5b9e\u73b0\uff08C++\uff09<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>#include &lt;bits\/stdc++.h&gt;\nusing namespace std;\n\nint main() {\n    int x;  \/\/ \u5c0f\u5154\u6316\u7684\u80e1\u841d\u535c\u6570\u91cf\n    cin &gt;&gt; x;\n\n    \/\/ \u8ba1\u7b97\u72d0\u72f8\u5c3c\u514b\u7684\u6570\u91cf\n    int fox = 3 * x;\n    cout &lt;&lt; fox &lt;&lt; endl;\n\n    \/\/ \u8ba1\u7b97\u5c0f\u7f8a\u8096\u6069\u7684\u6570\u91cf\n    int sheep = fox - 8;  \/\/ \u76f8\u5f53\u4e8e 3*x - 8\n    cout &lt;&lt; sheep &lt;&lt; endl;\n\n    \/\/ \u8ba1\u7b97\u5e73\u5747\u503c\uff08\u4fdd\u75591\u4f4d\u5c0f\u6570\uff09\n    double total = x + fox + sheep;  \/\/ \u603b\u80e1\u841d\u535c\u6570\n    double average = total \/ 3.0;    \/\/ \u9664\u4ee53\u5f97\u5230\u5e73\u5747\u503c\n\n    \/\/ \u8bbe\u7f6e\u8f93\u51fa\u683c\u5f0f\uff1a\u4fdd\u75591\u4f4d\u5c0f\u6570\n    cout &lt;&lt; fixed &lt;&lt; setprecision(1) &lt;&lt; average &lt;&lt; endl;\n\n    return 0;\n}<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\u4fdd\u5b58 \u7f16\u8bd1 \u8fd0\u884c<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u4ee3\u7801\u8bf4\u660e<\/strong><\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u8f93\u5165\u5904\u7406<\/strong>\uff1a\u7a0b\u5e8f\u8bfb\u53d6\u6574\u6570 ( x )\uff08\u5c0f\u5154\u6316\u7684\u80e1\u841d\u535c\u6570\uff09\u3002<\/li>\n\n\n\n<li><strong>\u8ba1\u7b97\u72d0\u72f8\u7684\u6570\u91cf<\/strong>\uff1a\u76f4\u63a5\u4f7f\u7528 ( 3 * x )\u3002<\/li>\n\n\n\n<li><strong>\u8ba1\u7b97\u5c0f\u7f8a\u7684\u6570\u91cf<\/strong>\uff1a\u7528\u72d0\u72f8\u7684\u6570\u91cf\u51cf\u53bb 8\u3002<\/li>\n\n\n\n<li><strong>\u8ba1\u7b97\u5e73\u5747\u503c<\/strong>\uff1a<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5148\u6c42\u603b\u6570\uff1a\u5c0f\u5154 + \u72d0\u72f8 + \u5c0f\u7f8a<\/li>\n\n\n\n<li>\u518d\u9664\u4ee5 3.0\uff08\u7528\u5c0f\u6570\u9664\u6cd5\u786e\u4fdd\u7cbe\u5ea6\uff09<\/li>\n\n\n\n<li>\u7528 <code>fixed &lt;&lt; setprecision(1)<\/code> \u63a7\u5236\u8f93\u51fa1\u4f4d\u5c0f\u6570<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u8f93\u51fa\u7ed3\u679c<\/strong>\uff1a\u6309\u9898\u76ee\u8981\u6c42\u5206\u4e09\u884c\u8f93\u51fa\u7ed3\u679c\u3002<\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"<p>\u95ee\u9898\u5206\u6790 \u8ba9\u6211\u4eec\u7528\u7b80\u5355\u7684\u6570\u5b66\u65b9\u6cd5\u6765\u7406\u89e3\u8fd9\u4e2a\u95ee\u9898\u3002\u6545\u4e8b\u91cc\u6709\u4e09\u4e2a\u5c0f\u52a8\u7269\uff1a \u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u8981\u8ba1\u7b97\u5e73\u5747\u6bcf\u4e2a\u52a8\u7269\u6316\u4e86\u591a\u5c11\u80e1\u841d\u535c\uff1a&#8230; <a class=\"read-more\" href=\"http:\/\/west.wangyuansheng.cn\/?p=311\">\u9605\u8bfb\u66f4\u591a&#8230;<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-311","post","type-post","status-publish","format-standard","hentry","category-problem"],"_links":{"self":[{"href":"http:\/\/west.wangyuansheng.cn\/index.php?rest_route=\/wp\/v2\/posts\/311","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/west.wangyuansheng.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/west.wangyuansheng.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/west.wangyuansheng.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/west.wangyuansheng.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=311"}],"version-history":[{"count":3,"href":"http:\/\/west.wangyuansheng.cn\/index.php?rest_route=\/wp\/v2\/posts\/311\/revisions"}],"predecessor-version":[{"id":339,"href":"http:\/\/west.wangyuansheng.cn\/index.php?rest_route=\/wp\/v2\/posts\/311\/revisions\/339"}],"wp:attachment":[{"href":"http:\/\/west.wangyuansheng.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=311"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/west.wangyuansheng.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=311"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/west.wangyuansheng.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=311"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}