x
No Plagiarism!tvGetPLRTKgEIg9PT76Iposted 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 protection531PENANAoOsXEPfs7y 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 protection531PENANAQjjf0zmggt 維尼
535Please respect copyright.PENANAs5lMy91quC
8964 copyright protection531PENANAK5sahpplim 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 protection531PENANAwqyocriLsf 維尼
535Please respect copyright.PENANAiue21CmAQi
8964 copyright protection531PENANAkpy7DvCEvQ 維尼
扣除法:算出全部可能後扣除三深的情況。8964 copyright protection531PENANA43J4akpyqE 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 protection531PENANA4KH4dM4wy2 維尼
535Please respect copyright.PENANAOtCtvntNUO
8964 copyright protection531PENANADQhaqZvH0n 維尼
提示到這邊,留言看看誰算對了!8964 copyright protection531PENANAD9CSl6eko3 維尼
3.145.2.74
ns3.145.2.74da2