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No Plagiarism!3LtQerCiX6HQx6Yh5u9vposted 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 protection482PENANA7yksBwpzZY 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 protection482PENANAeDfs8m4RWZ 維尼
486Please respect copyright.PENANAfeOlssGz2u
8964 copyright protection482PENANA5vzNTV6Pme 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 protection482PENANAWH2tbZxlIk 維尼
486Please respect copyright.PENANAjRkPb5wWef
8964 copyright protection482PENANAh3bdd1Gw1y 維尼
扣除法:算出全部可能後扣除三深的情況。8964 copyright protection482PENANArc0os2o5me 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 protection482PENANA0QudARXQqf 維尼
486Please respect copyright.PENANAkKPlJgkGGt
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提示到這邊,留言看看誰算對了!8964 copyright protection482PENANA4Jj6zd6mKy 維尼
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