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標題: [Core] Premutation Problem [打印本頁]

作者: himhim88    時間: 2016-4-9 08:36 PM     標題: Premutation Problem

pls help


作者: 0310672    時間: 2016-4-9 09:39 PM


作者: speedoflight    時間: 2016-4-9 10:54 PM

For each pen, there are 3 pencil cases to be selected. Therefore, the required number of ways = 3x3x3x3x3x3 = 3^6 = 729
作者: himhim88    時間: 2016-4-10 12:25 AM     標題: 回覆 2# 0310672 的帖子

thx
作者: himhim88    時間: 2016-4-10 12:30 AM     標題: 回覆 3# speedoflight 的帖子

thx
作者: 數痴夢王    時間: 2016-4-11 08:05 AM

For each pen, it has 3 choice (pencil case) to choose
therefrore the total number of ways = 3^6 = 729
作者: guarantee    時間: 2016-6-23 01:13 PM

引用:
原帖由 數痴夢王 於 2016-4-11 08:05 AM 發表
For each pen, it has 3 choice (pencil case) to choose
therefrore the total number of ways = 3^6 = 729
excellent way to solve this question




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