simple maths question-
2017/06/17 05:22
瀏覽41
迴響0
推薦0
引用0
標題:
simple maths question?
發問:
最佳解答:
(17x16x15/3!)x(13x12/2!)=53040 女的組合數 x 男的組合數
其他解答:
simple maths question?
發問:
此文章來自奇摩知識+如有不便請留言告知
there are 13 boys and 17 girls in a class if a team of 32 girls and 2 boys are selected from the class to participate the voluntary services ,how many different teams can be formed? 答案係用C 利計 但點解唔可以用P利計 thank u very much. 更新: it should be 3 girls最佳解答:
(17x16x15/3!)x(13x12/2!)=53040 女的組合數 x 男的組合數
其他解答:
你可能會有興趣的文章:
限會員,要發表迴響,請先登入



