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標題:

把6本不同的書平均分比3個同學,不同的分配方法有=?

發問:

把6本不同的書平均分比3個同學,不同的分配方法有=? 唔該晒!!

最佳解答:

Let the 6 different books be A, B, C, D, E and F and the 3 students be 1, 2 and 3 There are the following ways of distribution : 1: AB 2: CD 3:EF 1: AB 2: CE 3:DF 1: AB 2: CF 3: DE 1: AB 2: DE 3: CF 1: AB 2: DF 3:CE 1: AB 2: EF 3: CD 1: AC 2: BD 3: EF 1: AC 2: BE 3: DF 1 : AC 2: BF 3: DE 1: AC 2: DE 3:BF 1: AC 2: DF 3: BE 1 : AC 2: EF 3: BD 1: AD.............(6 ways for sharing of the other four books between 2 & 3) 1 : AE................(6 ways) 1: AF................(6 ways) 1: BC................(6 ways) 1: BD................(6 ways) 1: BE................(6 ways) 1: BF................(6 ways) 1: CD................(6 ways) 1: CE................(6 ways) 1: CF................(6 ways) 1: DE................(6 ways) 1: DF................(6 ways) 1: EF................(6 ways) SO totally 15 x 6 =90 different ways of sharing 6 different books to 3 different students

其他解答:B5117735D6B60D95