查看完整版本 : combination問題!!!!!!!!!

bestgood123 2009-10-28 09:11 AM

combination問題!!!!!!!!!

Out of 5 students and 7 teachers,a committee consisting 4 students and 5 teachers is to be formed.
In how many way can this be done if anystudents and any teachers can be included?

anbton 2009-10-29 01:14 AM

問功課錯區喎, 小朋友(不過咁都耍問:smile_19: ) :smile_15:
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查看完整版本: combination問題!!!!!!!!!