{"id":450,"date":"2026-07-23T21:38:18","date_gmt":"2026-07-24T01:38:18","guid":{"rendered":"https:\/\/www.xunqi.life\/?p=450"},"modified":"2026-07-23T21:38:19","modified_gmt":"2026-07-24T01:38:19","slug":"%e5%8d%81%e5%b9%b4%e9%81%8b%e7%9a%84%e6%8e%92%e5%ba%8f","status":"publish","type":"post","link":"https:\/\/www.xunqi.life\/?p=450","title":{"rendered":"\u5341\u5e74\u904b\u7684\u6392\u5e8f"},"content":{"rendered":"\n<figure class=\"wp-block-image aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"360\" height=\"640\" src=\"https:\/\/www.xunqi.life\/wp-content\/uploads\/2026\/07\/pexels-gabby-k-5842061-Medium.jpeg\" alt=\"\" class=\"wp-image-451\" srcset=\"https:\/\/www.xunqi.life\/wp-content\/uploads\/2026\/07\/pexels-gabby-k-5842061-Medium.jpeg 360w, https:\/\/www.xunqi.life\/wp-content\/uploads\/2026\/07\/pexels-gabby-k-5842061-Medium-169x300.jpeg 169w\" sizes=\"auto, (max-width: 360px) 100vw, 360px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u524d\u7bc7\u6587\u7ae0\u7c21\u8ff0\u4e86\u5404\u7a2e\u904b\u7a0b<br>\u5c11\u5e74\u904b\u3001\u4e2d\u5e74\u904b\u3001\u665a\u5e74\u904b\u3001\u65e9\u665a\u904b<br>\u5b8f\u89c0\u800c\u8ad6<br>\u9664\u537b\u7ae5\u5e74\u6642\u671f\u7684\u7b2c\u4e00\u500b\u5341\u5e74<br>\u4eba\u6d3b\u8e8d\u7684\u6642\u9593<br>\u5927\u7565\u4e5f\u5c3115\u6b72\u523075\u6b72<br>\u4e00\u5171\u516d\u5341\u5e74 \u5b8c\u6574\u7684\u4e00\u7532\u5b50<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5982\u679c\u5c07\u6b64\u6d3b\u8e8d\u516d\u5341\u5e74(15\u6b72\uff5e75\u6b72)<br>\u6bcf\u5341\u5e74\u505a\u4e00\u500b\u6392\u540d<br>\u6700\u597d\u7684\u5341\u5e74\u5927\u904b\u6392\u70ba\u7b2c1\u540d<br>\u6700\u5dee\u7684\u5341\u5e74\u5927\u904b\u6392\u70ba\u7b2c6\u540d<br>\u90a3\u7e3d\u5171\u6709720\u7a2e\u7d44\u5408<br>(6 factorial, notation by 6!)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6392\u5e8f\u8209\u4f8b\uff1a<br>1, 2, 3, 4, 5, 6<br>1, 2, 3, 4, 6, 5<br>1, 2, 3, 6, 5, 4<br>1, 2, 3, 6, 4, 5<br>1, 2, 3, 5, 6, 4<br>\u2026emit<br>6, 5, 4, 3, 1, 2<br>6, 5, 4, 3, 2, 1<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u82e5\u4ee5\u6578\u5b57\u6392\u5e8f\u4f86\u63cf\u8ff0\u904b\u7a0b\uff0c\u8209\u4f8b\u5982\u4e0b<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f8b\u4e00\uff0c<br>\u8d70\u5c11\u5e74\u904b<br>\u6392\u5e8f\uff1a1, 2, 3, 4, 5, 6<br>\u7b2c\u4e00\u540d\u597d\u7684\u5927\u904b\u8207\u7b2c\u4e8c\u540d\u597d\u7684\u5927\u904b<br>\u96c6\u4e2d\u5728\u4eba\u751f\u524d\u4e8c\u5341\u5e74(15\u6b72-35\u6b72)<br>\u4eba\u751f\u958b\u5834\u5373\u5dd4\u5cf0<br>\u6b64\u5f8c\u6bcf\u6cc1\u6108\u4e0b<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f8b\u4e8c\uff0c<br>\u8d70\u8001\u5e74\u904b<br>\u6392\u5e8f\uff1a6, 5, 4, 3, 2, 1<br>\u7b2c\u4e00\u540d\u597d\u7684\u5927\u904b\u8207\u7b2c\u4e8c\u540d\u597d\u7684\u5927\u904b<br>\u96c6\u4e2d\u5728\u4eba\u751f\u6700\u5f8c\u4e8c\u5341\u5e74(55\u6b72-75\u6b72)<br>\u4eba\u751f\u8d70\u52e2\u958b\u4f4e\u8d70\u9ad8<br>\u5148\u82e6\u5f8c\u7518<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5f85\u7e8c\u2026<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u524d\u7bc7\u6587\u7ae0\u7c21\u8ff0\u4e86\u5404\u7a2e\u904b\u7a0b\u5c11\u5e74\u904b\u3001\u4e2d\u5e74\u904b\u3001\u665a\u5e74\u904b\u3001\u65e9\u665a\u904b\u5b8f\u89c0\u800c\u8ad6\u9664\u537b\u7ae5\u5e74\u6642\u671f\u7684\u7b2c\u4e00\u500b\u5341\u5e74\u4eba\u6d3b\u8e8d\u7684\u6642\u9593\u5927\u7565\u4e5f\u5c3115\u6b72 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[25],"tags":[],"class_list":["post-450","post","type-post","status-publish","format-standard","hentry","category-life-strategy"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.xunqi.life\/index.php?rest_route=\/wp\/v2\/posts\/450","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.xunqi.life\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.xunqi.life\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.xunqi.life\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.xunqi.life\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=450"}],"version-history":[{"count":1,"href":"https:\/\/www.xunqi.life\/index.php?rest_route=\/wp\/v2\/posts\/450\/revisions"}],"predecessor-version":[{"id":452,"href":"https:\/\/www.xunqi.life\/index.php?rest_route=\/wp\/v2\/posts\/450\/revisions\/452"}],"wp:attachment":[{"href":"https:\/\/www.xunqi.life\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=450"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.xunqi.life\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=450"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.xunqi.life\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=450"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}