x
No Plagiarism!8ZgOIL4ICrdjpoSFfu77posted 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 protection582PENANAVSj5aZwluY 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 protection582PENANApCzlVo4t8e 維尼
586Please respect copyright.PENANAzM9di7kK3b
8964 copyright protection582PENANAKQw5hWqBRE 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 protection582PENANAAVPuICYBId 維尼
586Please respect copyright.PENANAKVdXEurgWG
8964 copyright protection582PENANAuAe8YY2NLV 維尼
扣除法:算出全部可能後扣除三深的情況。8964 copyright protection582PENANAxxenIjd13p 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 protection582PENANA2oC7Pb0OcG 維尼
586Please respect copyright.PENANA5MNAfCmJB1
8964 copyright protection582PENANACECUoybSjB 維尼
提示到這邊,留言看看誰算對了!8964 copyright protection582PENANAFiXah4tnt6 維尼
3.144.91.201
ns3.144.91.201da2