x
No Plagiarism!u7bLlBg1YWNOFnVWevdwposted 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 protection662PENANAn8qA7UgXtj 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 protection662PENANACbgzoyoDZL 維尼
666Please respect copyright.PENANA0Q6J4JuCRq
8964 copyright protection662PENANAdO30o6r3tM 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 protection662PENANA0X6Zjl7SoL 維尼
666Please respect copyright.PENANAbEmn877XA7
8964 copyright protection662PENANABCuEZwgBSA 維尼
扣除法:算出全部可能後扣除三深的情況。8964 copyright protection662PENANAIdu031lcMC 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 protection662PENANAUrE17TMQMV 維尼
666Please respect copyright.PENANAqKzh40FDej
8964 copyright protection662PENANAjrwINUpqUw 維尼
提示到這邊,留言看看誰算對了!8964 copyright protection662PENANAXZfdX5XbyZ 維尼
216.73.216.239
ns216.73.216.239da2