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No Plagiarism!qQxqnqn5DFu5noQcMocSposted 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 protection548PENANA7RCqkv2lPj 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 protection548PENANAOFdRq5V2F9 維尼
552Please respect copyright.PENANAGlOWaNRDcH
8964 copyright protection548PENANAGO1lSqDH5J 維尼
這題看似複雜其實就兩個思緒而已,扣除法和安插法。8964 copyright protection548PENANAcslFMQxkwI 維尼
552Please respect copyright.PENANAcDqiq9GqQi
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扣除法:算出全部可能後扣除三深的情況。8964 copyright protection548PENANAh21XZlnTHl 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 protection548PENANAUBYE8X52bb 維尼
552Please respect copyright.PENANAa6XYaSYqoX
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提示到這邊,留言看看誰算對了!8964 copyright protection548PENANAFovfAx0aoQ 維尼
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