x
No Plagiarism!2ePPp4SOwNNse8fLkHrMposted 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 protection480PENANAJE8AgzSeXP 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 protection480PENANAaupqrIvboh 維尼
484Please respect copyright.PENANAKVOAvig6u3
8964 copyright protection480PENANAYN98qjv962 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 protection480PENANAFIeEwAO8jT 維尼
484Please respect copyright.PENANAppGqd3qMop
8964 copyright protection480PENANArHSWBZM9eg 維尼
扣除法:算出全部可能後扣除三深的情況。8964 copyright protection480PENANAbH3isWmpzS 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 protection480PENANATYLIzcx9Qt 維尼
484Please respect copyright.PENANAjwinwRAOn3
8964 copyright protection480PENANAm0qbmfnZ4m 維尼
提示到這邊,留言看看誰算對了!8964 copyright protection480PENANARoNF8LLmU7 維尼
15.158.61.22
ns 15.158.61.22da2