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No Plagiarism!hYDu8x0Jngo3IsB2phTiposted 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 protection634PENANAYaOw2LG8HL 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 protection634PENANAoaEhC8wMMu 維尼
638Please respect copyright.PENANA5RMDaFSa26
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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 protection634PENANAB8ZwJJ0rfl 維尼
638Please respect copyright.PENANAvdzn6Clp08
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扣除法:算出全部可能後扣除三深的情況。8964 copyright protection634PENANAaMZ1MHV9YO 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 protection634PENANAqTQzq62vce 維尼
638Please respect copyright.PENANAqBdJGAkjxH
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提示到這邊,留言看看誰算對了!8964 copyright protection634PENANAsT4MEEtikE 維尼
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