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No Plagiarism!Bv8tfMoMoUgZZSRvNWRTposted 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 protection412PENANAS53wvcs6bx 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 protection412PENANA2obnpVLwko 維尼
416Please respect copyright.PENANAcU4PYrF3QA
8964 copyright protection412PENANA8BcI75L0cO 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 protection412PENANAjXRkUf5SRC 維尼
416Please respect copyright.PENANAuYLUiiMO3p
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扣除法:算出全部可能後扣除三深的情況。8964 copyright protection412PENANAOxOUQh92oj 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 protection412PENANAEHFfWX2Syw 維尼
416Please respect copyright.PENANAV3iTKEpPaa
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提示到這邊,留言看看誰算對了!8964 copyright protection412PENANA137tRGjgtt 維尼
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