{"id":1104,"date":"2025-07-06T13:08:59","date_gmt":"2025-07-06T05:08:59","guid":{"rendered":"http:\/\/www.xxszxw.net\/?p=1104"},"modified":"2025-07-06T13:08:59","modified_gmt":"2025-07-06T05:08:59","slug":"%e7%90%86%e8%a7%a3%e9%94%99%e4%bd%8d%e6%8e%92%e5%88%97%e7%9a%84%e9%80%92%e6%8e%a8%e5%85%ac%e5%bc%8f-dnn%e2%88%921xdn%e2%88%921dn%e2%88%922","status":"publish","type":"post","link":"http:\/\/www.xxszxw.net\/?p=1104","title":{"rendered":"\u7406\u89e3\u9519\u4f4d\u6392\u5217\u7684\u9012\u63a8\u516c\u5f0f D(n)=(n\u22121)\u00d7(D(n\u22121)+D(n\u22122))"},"content":{"rendered":"<h3 data-sourcepos=\"4:1-4:18\"><strong data-sourcepos=\"4:5-4:18\">\u4e00\u3001\u9519\u4f4d\u6392\u5217\u7684\u5b9a\u4e49<\/strong><\/h3>\n<p data-sourcepos=\"5:1-5:67\">\u9519\u4f4d\u6392\u5217\uff08\u8bb0\u4e3a<span class=\"katex\" data-sourcepos=\"null:null-null:null\"><span class=\"katex-html\" aria-hidden=\"true\" data-sourcepos=\"null:null-null:null\"><span class=\"base\" data-sourcepos=\"null:null-null:null\"><span class=\"mord mathnormal\" data-sourcepos=\"null:null-null:null\">D<\/span><span class=\"mopen\" data-sourcepos=\"null:null-null:null\">(<\/span><span class=\"mord mathnormal\" data-sourcepos=\"null:null-null:null\">n<\/span><span class=\"mclose\" data-sourcepos=\"null:null-null:null\">)<\/span><\/span><\/span><\/span>\uff09\u662f\u6307\uff1a<strong data-sourcepos=\"5:20-5:52\">\u5c06<span class=\"katex\" data-sourcepos=\"null:null-null:null\"><span class=\"katex-html\" aria-hidden=\"true\" data-sourcepos=\"null:null-null:null\"><span class=\"base\" data-sourcepos=\"null:null-null:null\"><span class=\"mord mathnormal\" data-sourcepos=\"null:null-null:null\">n<\/span><\/span><\/span><\/span>\u4e2a\u5143\u7d20\u91cd\u65b0\u6392\u5217\uff0c\u4f7f\u5f97\u6bcf\u4e2a\u5143\u7d20\u90fd\u4e0d\u5728\u5176\u539f\u59cb\u4f4d\u7f6e<\/strong>\uff08\u4f8b\u5982\uff0c\u793c\u7269\u4e0d\u80fd\u88c5\u56de\u539f\u76d2\u5b50\uff09\u3002<\/p>\n<h3 data-sourcepos=\"8:1-8:20\"><strong data-sourcepos=\"8:5-8:20\">\u4e8c\u3001\u9012\u63a8\u516c\u5f0f\u7684\u63a8\u5bfc\u8fc7\u7a0b<\/strong><\/h3>\n<p data-sourcepos=\"9:1-9:96\">\u5047\u8bbe\u6211\u4eec\u6709<span class=\"katex\" data-sourcepos=\"null:null-null:null\"><span class=\"katex-mathml\" data-sourcepos=\"null:null-null:null\">n<\/span><\/span>\u4e2a\u5143\u7d20\uff08\u7f16\u53f7<span class=\"katex\" data-sourcepos=\"null:null-null:null\"><span class=\"katex-html\" aria-hidden=\"true\" data-sourcepos=\"null:null-null:null\"><span class=\"base\" data-sourcepos=\"null:null-null:null\"><span class=\"mord\" data-sourcepos=\"null:null-null:null\">1<\/span><span class=\"mrel\" data-sourcepos=\"null:null-null:null\">\u223c<\/span><\/span><span class=\"base\" data-sourcepos=\"null:null-null:null\"><span class=\"mord mathnormal\" data-sourcepos=\"null:null-null:null\">n<\/span><\/span><\/span><\/span>\uff09\uff0c\u6bcf\u4e2a\u5143\u7d20<span class=\"katex\" data-sourcepos=\"null:null-null:null\"><span class=\"katex-mathml\" data-sourcepos=\"null:null-null:null\">i<\/span><\/span>\u4e0d\u80fd\u653e\u5728\u4f4d\u7f6e<span class=\"katex\" data-sourcepos=\"null:null-null:null\"><span class=\"katex-mathml\" data-sourcepos=\"null:null-null:null\">i<\/span><span class=\"katex-html\" aria-hidden=\"true\" data-sourcepos=\"null:null-null:null\"><span class=\"base\" data-sourcepos=\"null:null-null:null\"><span class=\"mord mathnormal\" data-sourcepos=\"null:null-null:null\">i<\/span><\/span><\/span><\/span>\u3002\u6211\u4eec<strong data-sourcepos=\"9:53-9:79\">\u805a\u7126\u4e8e\u7b2c\u4e00\u4e2a\u5143\u7d20\uff08\u5143\u7d20<span class=\"katex\" data-sourcepos=\"null:null-null:null\"><span class=\"katex-mathml\" data-sourcepos=\"null:null-null:null\">1<\/span><\/span>\uff09\u7684\u4f4d\u7f6e\u9009\u62e9<\/strong>\uff0c\u518d\u5206\u60c5\u51b5\u8ba8\u8bba\u5269\u4f59\u5143\u7d20\u7684\u6392\u5217\u65b9\u5f0f\u3002<\/p>\n<h4 data-sourcepos=\"12:1-12:29\"><strong data-sourcepos=\"12:6-12:29\">1. \u7b2c\u4e00\u6b65\uff1a\u5143\u7d20<span class=\"katex\" data-sourcepos=\"null:null-null:null\"><span class=\"katex-html\" aria-hidden=\"true\" data-sourcepos=\"null:null-null:null\"><span class=\"base\" data-sourcepos=\"null:null-null:null\"><span class=\"mord\" data-sourcepos=\"null:null-null:null\">1<\/span><\/span><\/span><\/span>\u7684\u4f4d\u7f6e\u9009\u62e9<\/strong><\/h4>\n<p data-sourcepos=\"13:1-13:78\">\u5143\u7d20<span class=\"katex\" data-sourcepos=\"null:null-null:null\"><span class=\"katex-mathml\" data-sourcepos=\"null:null-null:null\">1<\/span><\/span>\u4e0d\u80fd\u653e\u5728\u4f4d\u7f6e<span class=\"katex\" data-sourcepos=\"null:null-null:null\"><span class=\"katex-mathml\" data-sourcepos=\"null:null-null:null\">1<\/span><\/span>\uff0c\u56e0\u6b64\u6709<span class=\"katex\" data-sourcepos=\"null:null-null:null\"><span class=\"katex-mathml\" data-sourcepos=\"null:null-null:null\">(n\u22121)<\/span><\/span>\u79cd\u9009\u62e9\uff08\u4f8b\u5982\uff0c\u653e\u5728\u4f4d\u7f6e<span class=\"katex\" data-sourcepos=\"null:null-null:null\"><span class=\"katex-html\" aria-hidden=\"true\" data-sourcepos=\"null:null-null:null\"><span class=\"base\" data-sourcepos=\"null:null-null:null\"><span class=\"mord mathnormal\" data-sourcepos=\"null:null-null:null\">k<\/span><\/span><\/span><\/span>\uff0c\u5176\u4e2d<span class=\"katex\" data-sourcepos=\"null:null-null:null\"><span class=\"katex-mathml\" data-sourcepos=\"null:null-null:null\">k\u2208{2,3,\u2026,n}<\/span><\/span>\uff09\u3002<\/p>\n<h4 data-sourcepos=\"16:1-16:32\"><strong data-sourcepos=\"16:6-16:32\">2. \u7b2c\u4e8c\u6b65\uff1a\u5206\u60c5\u51b5\u8ba8\u8bba\u5143\u7d20<span class=\"katex\" data-sourcepos=\"null:null-null:null\"><span class=\"katex-html\" aria-hidden=\"true\" data-sourcepos=\"null:null-null:null\"><span class=\"base\" data-sourcepos=\"null:null-null:null\"><span class=\"mord mathnormal\" data-sourcepos=\"null:null-null:null\">k<\/span><\/span><\/span><\/span>\u7684\u4f4d\u7f6e<\/strong><\/h4>\n<p data-sourcepos=\"17:1-17:91\">\u5f53\u5143\u7d20<span class=\"katex\" data-sourcepos=\"null:null-null:null\"><span class=\"katex-mathml\" data-sourcepos=\"null:null-null:null\">1<\/span><\/span>\u653e\u5728\u4f4d\u7f6e<span class=\"katex\" data-sourcepos=\"null:null-null:null\"><span class=\"katex-html\" aria-hidden=\"true\" data-sourcepos=\"null:null-null:null\"><span class=\"base\" data-sourcepos=\"null:null-null:null\"><span class=\"mord mathnormal\" data-sourcepos=\"null:null-null:null\">k<\/span><\/span><\/span><\/span>\u540e\uff0c\u6211\u4eec\u9700\u8981\u8003\u8651<strong data-sourcepos=\"17:26-17:40\">\u5143\u7d20<span class=\"katex\" data-sourcepos=\"null:null-null:null\"><span class=\"katex-html\" aria-hidden=\"true\" data-sourcepos=\"null:null-null:null\"><span class=\"base\" data-sourcepos=\"null:null-null:null\"><span class=\"mord mathnormal\" data-sourcepos=\"null:null-null:null\">k<\/span><\/span><\/span><\/span>\u7684\u4f4d\u7f6e<\/strong>\uff08\u5143\u7d20<span class=\"katex\" data-sourcepos=\"null:null-null:null\"><span class=\"katex-html\" aria-hidden=\"true\" data-sourcepos=\"null:null-null:null\"><span class=\"base\" data-sourcepos=\"null:null-null:null\"><span class=\"mord mathnormal\" data-sourcepos=\"null:null-null:null\">k<\/span><\/span><\/span><\/span>\u4e0d\u80fd\u653e\u5728\u4f4d\u7f6e<span class=\"katex\" data-sourcepos=\"null:null-null:null\"><span class=\"katex-html\" aria-hidden=\"true\" data-sourcepos=\"null:null-null:null\"><span class=\"base\" data-sourcepos=\"null:null-null:null\"><span class=\"mord mathnormal\" data-sourcepos=\"null:null-null:null\">k<\/span><\/span><\/span><\/span>\uff0c\u56e0\u4e3a\u4f4d\u7f6e<span class=\"katex\" data-sourcepos=\"null:null-null:null\"><span class=\"katex-html\" aria-hidden=\"true\" data-sourcepos=\"null:null-null:null\"><span class=\"base\" data-sourcepos=\"null:null-null:null\"><span class=\"mord mathnormal\" data-sourcepos=\"null:null-null:null\">k<\/span><\/span><\/span><\/span>\u5df2\u88ab\u5143\u7d20<span class=\"katex\" data-sourcepos=\"null:null-null:null\"><span class=\"katex-html\" aria-hidden=\"true\" data-sourcepos=\"null:null-null:null\"><span class=\"base\" data-sourcepos=\"null:null-null:null\"><span class=\"mord\" data-sourcepos=\"null:null-null:null\">1<\/span><\/span><\/span><\/span>\u5360\u636e\uff09\uff0c\u6b64\u65f6\u5206\u4e3a\u4e24\u79cd\u60c5\u51b5\uff1a<\/p>\n<h5 data-sourcepos=\"20:1-20:31\"><strong data-sourcepos=\"20:7-20:31\">\u60c5\u51b51\uff1a\u5143\u7d20<span class=\"katex\" data-sourcepos=\"null:null-null:null\"><span class=\"katex-html\" aria-hidden=\"true\" data-sourcepos=\"null:null-null:null\"><span class=\"base\" data-sourcepos=\"null:null-null:null\"><span class=\"mord mathnormal\" data-sourcepos=\"null:null-null:null\">k<\/span><\/span><\/span><\/span>\u653e\u5728\u4f4d\u7f6e<span class=\"katex\" data-sourcepos=\"null:null-null:null\"><span class=\"katex-html\" aria-hidden=\"true\" data-sourcepos=\"null:null-null:null\"><span class=\"base\" data-sourcepos=\"null:null-null:null\"><span class=\"mord\" data-sourcepos=\"null:null-null:null\">1<\/span><\/span><\/span><\/span><\/strong><\/h5>\n<ul data-sourcepos=\"21:1-23:85\">\n<li data-sourcepos=\"21:1-21:61\">\u5143\u7d20<span class=\"katex\" data-sourcepos=\"null:null-null:null\"><span class=\"katex-html\" aria-hidden=\"true\" data-sourcepos=\"null:null-null:null\"><span class=\"base\" data-sourcepos=\"null:null-null:null\"><span class=\"mord\" data-sourcepos=\"null:null-null:null\">1<\/span><\/span><\/span><\/span>\u548c\u5143\u7d20<span class=\"katex\" data-sourcepos=\"null:null-null:null\"><span class=\"katex-html\" aria-hidden=\"true\" data-sourcepos=\"null:null-null:null\"><span class=\"base\" data-sourcepos=\"null:null-null:null\"><span class=\"mord mathnormal\" data-sourcepos=\"null:null-null:null\">k<\/span><\/span><\/span><\/span><strong data-sourcepos=\"21:18-21:27\">\u4ea4\u6362\u4e86\u4f4d\u7f6e<\/strong>\uff08\u5143\u7d20<span class=\"katex\" data-sourcepos=\"null:null-null:null\"><span class=\"katex-html\" aria-hidden=\"true\" data-sourcepos=\"null:null-null:null\"><span class=\"base\" data-sourcepos=\"null:null-null:null\"><span class=\"mord\" data-sourcepos=\"null:null-null:null\">1<\/span><\/span><\/span><\/span>\u5728\u4f4d\u7f6e<span class=\"katex\" data-sourcepos=\"null:null-null:null\"><span class=\"katex-html\" aria-hidden=\"true\" data-sourcepos=\"null:null-null:null\"><span class=\"base\" data-sourcepos=\"null:null-null:null\"><span class=\"mord mathnormal\" data-sourcepos=\"null:null-null:null\">k<\/span><\/span><\/span><\/span>\uff0c\u5143\u7d20<span class=\"katex\" data-sourcepos=\"null:null-null:null\"><span class=\"katex-html\" aria-hidden=\"true\" data-sourcepos=\"null:null-null:null\"><span class=\"base\" data-sourcepos=\"null:null-null:null\"><span class=\"mord mathnormal\" data-sourcepos=\"null:null-null:null\">k<\/span><\/span><\/span><\/span>\u5728\u4f4d\u7f6e<span class=\"katex\" data-sourcepos=\"null:null-null:null\"><span class=\"katex-html\" aria-hidden=\"true\" data-sourcepos=\"null:null-null:null\"><span class=\"base\" data-sourcepos=\"null:null-null:null\"><span class=\"mord\" data-sourcepos=\"null:null-null:null\">1<\/span><\/span><\/span><\/span>\uff09\u3002<\/li>\n<li data-sourcepos=\"22:1-22:55\">\u5269\u4f59\u9700\u8981\u5904\u7406\u7684\u5143\u7d20\u662f<span class=\"katex\" data-sourcepos=\"null:null-null:null\"><span class=\"katex-mathml\" data-sourcepos=\"null:null-null:null\">2\u223ck\u22121<\/span><\/span>\u548c<span class=\"katex\" data-sourcepos=\"null:null-null:null\"><span class=\"katex-mathml\" data-sourcepos=\"null:null-null:null\">k+1\u223cn<\/span><\/span>\uff0c\u5171<span class=\"katex\" data-sourcepos=\"null:null-null:null\"><span class=\"katex-mathml\" data-sourcepos=\"null:null-null:null\">(n\u22122)<\/span><\/span>\u4e2a\u5143\u7d20\u3002<\/li>\n<li data-sourcepos=\"23:1-23:85\">\u8fd9\u4e9b\u5269\u4f59\u5143\u7d20\u7684<strong data-sourcepos=\"23:10-23:20\">\u4f4d\u7f6e\u9650\u5236\u4e0d\u53d8<\/strong>\uff08\u6bcf\u4e2a\u5143\u7d20<span class=\"katex\" data-sourcepos=\"null:null-null:null\"><span class=\"katex-html\" aria-hidden=\"true\" data-sourcepos=\"null:null-null:null\"><span class=\"base\" data-sourcepos=\"null:null-null:null\"><span class=\"mord mathnormal\" data-sourcepos=\"null:null-null:null\">i<\/span><\/span><\/span><\/span>\u4ecd\u4e0d\u80fd\u653e\u5728\u4f4d\u7f6e<span class=\"katex\" data-sourcepos=\"null:null-null:null\"><span class=\"katex-html\" aria-hidden=\"true\" data-sourcepos=\"null:null-null:null\"><span class=\"base\" data-sourcepos=\"null:null-null:null\"><span class=\"mord mathnormal\" data-sourcepos=\"null:null-null:null\">i<\/span><\/span><\/span><\/span>\uff09\uff0c\u56e0\u6b64\u8fd9\u79cd\u60c5\u51b5\u7684\u6392\u5217\u6570\u7b49\u4e8e<span class=\"katex\" data-sourcepos=\"null:null-null:null\"><span class=\"katex-mathml\" data-sourcepos=\"null:null-null:null\">D(n\u22122)<\/span><\/span>\uff08<span class=\"katex\" data-sourcepos=\"null:null-null:null\"><span class=\"katex-html\" aria-hidden=\"true\" data-sourcepos=\"null:null-null:null\"><span class=\"base\" data-sourcepos=\"null:null-null:null\"><span class=\"mord mathnormal\" data-sourcepos=\"null:null-null:null\">n<\/span><span class=\"mbin\" data-sourcepos=\"null:null-null:null\">\u2212<\/span><\/span><span class=\"base\" data-sourcepos=\"null:null-null:null\"><span class=\"mord\" data-sourcepos=\"null:null-null:null\">2<\/span><\/span><\/span><\/span>\u4e2a\u5143\u7d20\u7684\u9519\u4f4d\u6392\u5217\u6570\uff09\u3002<\/li>\n<\/ul>\n<h5 data-sourcepos=\"26:1-26:32\"><strong data-sourcepos=\"26:7-26:32\">\u60c5\u51b52\uff1a\u5143\u7d20<span class=\"katex\" data-sourcepos=\"null:null-null:null\"><span class=\"katex-html\" aria-hidden=\"true\" data-sourcepos=\"null:null-null:null\"><span class=\"base\" data-sourcepos=\"null:null-null:null\"><span class=\"mord mathnormal\" data-sourcepos=\"null:null-null:null\">k<\/span><\/span><\/span><\/span>\u4e0d\u653e\u5728\u4f4d\u7f6e<span class=\"katex\" data-sourcepos=\"null:null-null:null\"><span class=\"katex-mathml\" data-sourcepos=\"null:null-null:null\">1<\/span><\/span><\/strong><\/h5>\n<ul data-sourcepos=\"27:1-32:88\">\n<li data-sourcepos=\"27:1-27:74\">\u5143\u7d20<span class=\"katex\" data-sourcepos=\"null:null-null:null\"><span class=\"katex-html\" aria-hidden=\"true\" data-sourcepos=\"null:null-null:null\"><span class=\"base\" data-sourcepos=\"null:null-null:null\"><span class=\"mord\" data-sourcepos=\"null:null-null:null\">1<\/span><\/span><\/span><\/span>\u5728\u4f4d\u7f6e<span class=\"katex\" data-sourcepos=\"null:null-null:null\"><span class=\"katex-html\" aria-hidden=\"true\" data-sourcepos=\"null:null-null:null\"><span class=\"base\" data-sourcepos=\"null:null-null:null\"><span class=\"mord mathnormal\" data-sourcepos=\"null:null-null:null\">k<\/span><\/span><\/span><\/span>\uff0c\u4f46\u5143\u7d20<span class=\"katex\" data-sourcepos=\"null:null-null:null\"><span class=\"katex-html\" aria-hidden=\"true\" data-sourcepos=\"null:null-null:null\"><span class=\"base\" data-sourcepos=\"null:null-null:null\"><span class=\"mord mathnormal\" data-sourcepos=\"null:null-null:null\">k<\/span><\/span><\/span><\/span><strong data-sourcepos=\"27:27-27:42\">\u4e0d\u80fd\u653e\u5728\u4f4d\u7f6e<span class=\"katex\" data-sourcepos=\"null:null-null:null\"><span class=\"katex-html\" aria-hidden=\"true\" data-sourcepos=\"null:null-null:null\"><span class=\"base\" data-sourcepos=\"null:null-null:null\"><span class=\"mord\" data-sourcepos=\"null:null-null:null\">1<\/span><\/span><\/span><\/span><\/strong>\uff08\u60c5\u51b52\u7684\u6761\u4ef6\uff09\uff0c\u4e5f<strong data-sourcepos=\"27:52-27:67\">\u4e0d\u80fd\u653e\u5728\u4f4d\u7f6e<span class=\"katex\" data-sourcepos=\"null:null-null:null\"><span class=\"katex-html\" aria-hidden=\"true\" data-sourcepos=\"null:null-null:null\"><span class=\"base\" data-sourcepos=\"null:null-null:null\"><span class=\"mord mathnormal\" data-sourcepos=\"null:null-null:null\">k<\/span><\/span><\/span><\/span><\/strong>\uff08\u539f\u59cb\u9650\u5236\uff09\u3002<\/li>\n<li data-sourcepos=\"28:1-28:76\">\u6b64\u65f6\uff0c\u6211\u4eec\u53ef\u4ee5\u5c06<strong data-sourcepos=\"28:11-28:35\">\u5143\u7d20<span class=\"katex\" data-sourcepos=\"null:null-null:null\"><span class=\"katex-html\" aria-hidden=\"true\" data-sourcepos=\"null:null-null:null\"><span class=\"base\" data-sourcepos=\"null:null-null:null\"><span class=\"mord mathnormal\" data-sourcepos=\"null:null-null:null\">k<\/span><\/span><\/span><\/span>\u89c6\u4e3a\u201c\u65b0\u7684\u5143\u7d20<span class=\"katex\" data-sourcepos=\"null:null-null:null\"><span class=\"katex-html\" aria-hidden=\"true\" data-sourcepos=\"null:null-null:null\"><span class=\"base\" data-sourcepos=\"null:null-null:null\"><span class=\"mord\" data-sourcepos=\"null:null-null:null\">1<\/span><\/span><\/span><\/span>\u201d<\/strong>\uff08\u56e0\u4e3a\u5b83\u73b0\u5728\u4e0d\u80fd\u653e\u5728\u4f4d\u7f6e<span class=\"katex\" data-sourcepos=\"null:null-null:null\"><span class=\"katex-html\" aria-hidden=\"true\" data-sourcepos=\"null:null-null:null\"><span class=\"base\" data-sourcepos=\"null:null-null:null\"><span class=\"mord\" data-sourcepos=\"null:null-null:null\">1<\/span><\/span><\/span><\/span>\uff0c\u800c\u4f4d\u7f6e<span class=\"katex\" data-sourcepos=\"null:null-null:null\"><span class=\"katex-html\" aria-hidden=\"true\" data-sourcepos=\"null:null-null:null\"><span class=\"base\" data-sourcepos=\"null:null-null:null\"><span class=\"mord\" data-sourcepos=\"null:null-null:null\">1<\/span><\/span><\/span><\/span>\u662f\u5143\u7d20<span class=\"katex\" data-sourcepos=\"null:null-null:null\"><span class=\"katex-html\" aria-hidden=\"true\" data-sourcepos=\"null:null-null:null\"><span class=\"base\" data-sourcepos=\"null:null-null:null\"><span class=\"mord\" data-sourcepos=\"null:null-null:null\">1<\/span><\/span><\/span><\/span>\u7684\u539f\u59cb\u4f4d\u7f6e\uff09\u3002<\/li>\n<li data-sourcepos=\"29:1-31:34\">\u5269\u4f59\u9700\u8981\u5904\u7406\u7684\u5143\u7d20\u662f<span class=\"katex\" data-sourcepos=\"null:null-null:null\"><span class=\"katex-mathml\" data-sourcepos=\"null:null-null:null\">2\u223cn<\/span><\/span>\uff08\u5171<span class=\"katex\" data-sourcepos=\"null:null-null:null\"><span class=\"katex-html\" aria-hidden=\"true\" data-sourcepos=\"null:null-null:null\"><span class=\"base\" data-sourcepos=\"null:null-null:null\"><span class=\"mord mathnormal\" data-sourcepos=\"null:null-null:null\">n<\/span><span class=\"mbin\" data-sourcepos=\"null:null-null:null\">\u2212<\/span><\/span><span class=\"base\" data-sourcepos=\"null:null-null:null\"><span class=\"mord\" data-sourcepos=\"null:null-null:null\">1<\/span><\/span><\/span><\/span>\u4e2a\u5143\u7d20\uff09\uff0c\u5b83\u4eec\u7684<strong data-sourcepos=\"29:41-29:51\">\u4f4d\u7f6e\u9650\u5236\u53d8\u4e3a<\/strong>\uff1a\n<ul data-sourcepos=\"30:3-31:34\">\n<li data-sourcepos=\"30:3-30:46\">\u5143\u7d20<span class=\"katex\" data-sourcepos=\"null:null-null:null\"><span class=\"katex-html\" aria-hidden=\"true\" data-sourcepos=\"null:null-null:null\"><span class=\"base\" data-sourcepos=\"null:null-null:null\"><span class=\"mord mathnormal\" data-sourcepos=\"null:null-null:null\">i<\/span><\/span><\/span><\/span>\uff08<span class=\"katex\" data-sourcepos=\"null:null-null:null\"><span class=\"katex-mathml\" data-sourcepos=\"null:null-null:null\">i\u22601<\/span><span class=\"katex-html\" aria-hidden=\"true\" data-sourcepos=\"null:null-null:null\"><span class=\"base\" data-sourcepos=\"null:null-null:null\"><span class=\"mpunct\" data-sourcepos=\"null:null-null:null\">,<\/span><span class=\"mord mathnormal\" data-sourcepos=\"null:null-null:null\">k<\/span><\/span><\/span><\/span>\uff09\u4e0d\u80fd\u653e\u5728\u4f4d\u7f6e<span class=\"katex\" data-sourcepos=\"null:null-null:null\"><span class=\"katex-html\" aria-hidden=\"true\" data-sourcepos=\"null:null-null:null\"><span class=\"base\" data-sourcepos=\"null:null-null:null\"><span class=\"mord mathnormal\" data-sourcepos=\"null:null-null:null\">i<\/span><\/span><\/span><\/span>\uff08\u539f\u59cb\u9650\u5236\uff09\uff1b<\/li>\n<li data-sourcepos=\"31:3-31:34\">\u5143\u7d20<span class=\"katex\" data-sourcepos=\"null:null-null:null\"><span class=\"katex-mathml\" data-sourcepos=\"null:null-null:null\">k<\/span><\/span>\u4e0d\u80fd\u653e\u5728\u4f4d\u7f6e<span class=\"katex\" data-sourcepos=\"null:null-null:null\"><span class=\"katex-html\" aria-hidden=\"true\" data-sourcepos=\"null:null-null:null\"><span class=\"base\" data-sourcepos=\"null:null-null:null\"><span class=\"mord\" data-sourcepos=\"null:null-null:null\">1<\/span><\/span><\/span><\/span>\uff08\u201c\u65b0\u7684\u539f\u59cb\u4f4d\u7f6e\u201d\uff09\u3002<\/li>\n<\/ul>\n<\/li>\n<li data-sourcepos=\"32:1-32:88\">\u8fd9\u76f8\u5f53\u4e8e<span class=\"katex\" data-sourcepos=\"null:null-null:null\"><span class=\"katex-mathml\" data-sourcepos=\"null:null-null:null\">n\u22121<\/span><\/span>\u4e2a\u5143\u7d20\u7684\u9519\u4f4d\u6392\u5217\uff08\u6bcf\u4e2a\u5143\u7d20\u90fd\u4e0d\u80fd\u653e\u5728\u5176\u201c\u65b0\u7684\u539f\u59cb\u4f4d\u7f6e\u201d\uff09\uff0c\u56e0\u6b64\u8fd9\u79cd\u60c5\u51b5\u7684\u6392\u5217\u6570\u7b49\u4e8e<span class=\"katex\" data-sourcepos=\"null:null-null:null\"><span class=\"katex-mathml\" data-sourcepos=\"null:null-null:null\">D(n\u22121)<\/span><\/span>\uff08<span class=\"katex\" data-sourcepos=\"null:null-null:null\"><span class=\"katex-mathml\" data-sourcepos=\"null:null-null:null\">n\u22121<\/span><\/span>\u4e2a\u5143\u7d20\u7684\u9519\u4f4d\u6392\u5217\u6570\uff09\u3002<\/li>\n<\/ul>\n<h4 data-sourcepos=\"35:1-35:23\"><strong data-sourcepos=\"35:6-35:23\">3. \u7b2c\u4e09\u6b65\uff1a\u5408\u5e76\u4e24\u79cd\u60c5\u51b5<\/strong><\/h4>\n<p data-sourcepos=\"36:1-37:44\">\u5143\u7d20<span class=\"katex\" data-sourcepos=\"null:null-null:null\"><span class=\"katex-mathml\" data-sourcepos=\"null:null-null:null\">1<\/span><\/span>\u6709<span class=\"katex\" data-sourcepos=\"null:null-null:null\"><span class=\"katex-mathml\" data-sourcepos=\"null:null-null:null\">(n\u22121)<\/span><\/span>\u79cd\u4f4d\u7f6e\u9009\u62e9\uff08\u5373<span class=\"katex\" data-sourcepos=\"null:null-null:null\"><span class=\"katex-html\" aria-hidden=\"true\" data-sourcepos=\"null:null-null:null\"><span class=\"base\" data-sourcepos=\"null:null-null:null\"><span class=\"mord mathnormal\" data-sourcepos=\"null:null-null:null\">k<\/span><\/span><\/span><\/span>\u7684\u53ef\u80fd\u503c\uff09\uff0c\u6bcf\u79cd\u9009\u62e9\u5bf9\u5e94\u4e0a\u8ff0\u4e24\u79cd\u60c5\u51b5\u3002\u56e0\u6b64\uff0c\u603b\u7684\u9519\u4f4d\u6392\u5217\u6570\u4e3a\uff1a <span class=\"katex\" data-sourcepos=\"null:null-null:null\"><span class=\"katex-mathml\" data-sourcepos=\"null:null-null:null\">D(n)=(n\u22121)\u00d7(D(n\u22121)+D(n\u22122))<\/span><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e00\u3001\u9519\u4f4d\u6392\u5217\u7684\u5b9a\u4e49 \u9519\u4f4d\u6392\u5217\uff08\u8bb0\u4e3aD(n)\uff09\u662f\u6307\uff1a\u5c06n\u4e2a\u5143\u7d20\u91cd\u65b0\u6392\u5217\uff0c\u4f7f\u5f97\u6bcf\u4e2a\u5143\u7d20\u90fd\u4e0d\u5728\u5176\u539f\u59cb\u4f4d\u7f6e\uff08\u4f8b\u5982\uff0c\u793c\u7269\u4e0d\u80fd\u88c5\u56de\u539f\u76d2\u5b50\uff09\u3002 \u4e8c\u3001\u9012\u63a8\u516c\u5f0f\u7684\u63a8\u5bfc\u8fc7\u7a0b \u5047\u8bbe\u6211\u4eec\u6709n\u4e2a\u5143\u7d20\uff08\u7f16\u53f71\u223cn\uff09\uff0c\u6bcf\u4e2a\u5143\u7d20i\u4e0d&#8230; <a class=\"read-more\" href=\"http:\/\/www.xxszxw.net\/?p=1104\"><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[9],"tags":[],"class_list":["post-1104","post","type-post","status-publish","format-standard","hentry","category-dnjs"],"views":4008,"_links":{"self":[{"href":"http:\/\/www.xxszxw.net\/index.php?rest_route=\/wp\/v2\/posts\/1104"}],"collection":[{"href":"http:\/\/www.xxszxw.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.xxszxw.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.xxszxw.net\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.xxszxw.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1104"}],"version-history":[{"count":1,"href":"http:\/\/www.xxszxw.net\/index.php?rest_route=\/wp\/v2\/posts\/1104\/revisions"}],"predecessor-version":[{"id":1105,"href":"http:\/\/www.xxszxw.net\/index.php?rest_route=\/wp\/v2\/posts\/1104\/revisions\/1105"}],"wp:attachment":[{"href":"http:\/\/www.xxszxw.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1104"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.xxszxw.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1104"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.xxszxw.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1104"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}