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No Plagiarism!3DqqNnHY2FMjhgdW6TW5posted 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 protection645PENANAlq0EC4I9rx 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 protection645PENANApEtCjsEzM8 維尼
649Please respect copyright.PENANACP8tKBmZWd
8964 copyright protection645PENANA6Ilm4LYj18 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 protection645PENANAxM5nUKpzXD 維尼
649Please respect copyright.PENANATIdmCEcvay
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扣除法:算出全部可能後扣除三深的情況。8964 copyright protection645PENANAb3q2nA03EO 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 protection645PENANAIoj4YwWEuq 維尼
649Please respect copyright.PENANA55GAFjJGhK
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提示到這邊,留言看看誰算對了!8964 copyright protection645PENANAjLEztqh5SO 維尼
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