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No Plagiarism!t5VzxKX8sOGBvN0LUiCsposted 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 protection264PENANAMmKpufk7Wo 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 protection264PENANA44mrMXf6Op 維尼
268Please respect copyright.PENANA52GsGPXe0Z
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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 protection264PENANALvDhs1XTto 維尼
268Please respect copyright.PENANAiD9k7EBIz4
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扣除法:算出全部可能後扣除三深的情況。8964 copyright protection264PENANAy25TVsyvVD 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 protection264PENANA1tjU0LhaO3 維尼
268Please respect copyright.PENANAD2o2SAlIja
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提示到這邊,留言看看誰算對了!8964 copyright protection264PENANAID9HbOVfgv 維尼
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