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No Plagiarism!lh8OSSnfM9SxZxWil9duposted 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 protection402PENANACOwkKP0PFe 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 protection402PENANAShA6FGMyY0 維尼
406Please respect copyright.PENANAwob6PtQ7ds
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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 protection402PENANAtUq98RTIo0 維尼
406Please respect copyright.PENANA4qfY1ROvrL
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扣除法:算出全部可能後扣除三深的情況。8964 copyright protection402PENANAFOmOMxWroP 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 protection402PENANAU3mG8SBsXw 維尼
406Please respect copyright.PENANA6ArlzZ2K8t
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提示到這邊,留言看看誰算對了!8964 copyright protection402PENANABaJOPG2k3V 維尼
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