x
No Plagiarism!3N959lWG3mU7HvIZDbpKposted 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 protection524PENANAcEqtK8yTGD 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 protection524PENANAkfk96JEzl4 維尼
528Please respect copyright.PENANAqJkEAwa6KN
8964 copyright protection524PENANA07ErfynhpP 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 protection524PENANABp2MmcChnw 維尼
528Please respect copyright.PENANAwJRmggXivK
8964 copyright protection524PENANAtu1mhtmzXC 維尼
扣除法:算出全部可能後扣除三深的情況。8964 copyright protection524PENANA8EdD19Acz2 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 protection524PENANAogH1IMmOOW 維尼
528Please respect copyright.PENANAaaAs7K9BZc
8964 copyright protection524PENANAuV5KzVNePH 維尼
提示到這邊,留言看看誰算對了!8964 copyright protection524PENANAteqss1uuEi 維尼
3.16.216.138
ns3.16.216.138da2