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No Plagiarism!vcd3f70fHz0hRl3Qoog1posted 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 protection558PENANAcoqgcP0jSP 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 protection558PENANA2c5TggDgWT 維尼
562Please respect copyright.PENANAssU1DJoqIJ
8964 copyright protection558PENANAS6h0Qorb41 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 protection558PENANATp76k7O3I9 維尼
562Please respect copyright.PENANA70ha7Y9zrl
8964 copyright protection558PENANATALSWr0nhN 維尼
扣除法:算出全部可能後扣除三深的情況。8964 copyright protection558PENANA2X9ybljbzf 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 protection558PENANAd6LgLZUQ59 維尼
562Please respect copyright.PENANAsahql2aEyF
8964 copyright protection558PENANAwDDPiTCHtA 維尼
提示到這邊,留言看看誰算對了!8964 copyright protection558PENANAVKcgMoMt9W 維尼
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