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No Plagiarism!0w2FpvIEx5JUtFzeQ4OIposted on PENANA 今天看到我的湘湘姊姊苦惱一題數學題,我當然要把它做出來才行。8964 copyright protection627PENANAWpTtAdeSOU 維尼
題目是:「庭院深深深幾許,三深不能排一起」有幾種排列方式。8964 copyright protection627PENANAzUJHb6F2ej 維尼
631Please respect copyright.PENANAiIIlYd5By9
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這題看似複雜其實就兩個思緒而已,扣除法和安插法。8964 copyright protection627PENANAVZaWnUR67W 維尼
631Please respect copyright.PENANAufh3HNsKni
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扣除法:算出全部可能後扣除三深的情況。8964 copyright protection627PENANA2SclYLSZec 維尼
安插法:將三個深分別安插,再將兩深併攏一深獨立後安插。8964 copyright protection627PENANAYSgTP88QW8 維尼
631Please respect copyright.PENANAaRfCRM4PBg
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提示到這邊,留言看看誰算對了!8964 copyright protection627PENANAMhFIMdxMCk 維尼
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