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No Plagiarism!9XvjdqMJ2DjUqzwl3y60posted 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 protection644PENANAw7rGYoeJe9 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 protection644PENANA8CChCeumKW 維尼
648Please respect copyright.PENANAuDZAr2Dxof
8964 copyright protection644PENANAOzIJRgJHR0 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 protection644PENANA5yZm3aInfx 維尼
648Please respect copyright.PENANAijrR5Hsdyj
8964 copyright protection644PENANAYSCrkX1tpT 維尼
扣除法:算出全部可能後扣除三深的情況。8964 copyright protection644PENANANinxqrIf59 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 protection644PENANA1vPE1eyiKm 維尼
648Please respect copyright.PENANA3sVg2NT0Dl
8964 copyright protection644PENANAdUAHQbyCw1 維尼
提示到這邊,留言看看誰算對了!8964 copyright protection644PENANA7O4l1IjO9n 維尼
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