A committee of threepeople is to be chosen from four married couples. What is the number of different committeesthat can be chosen if two people who are married to each other cannot bothserve on the committee?
16
24
26
30
32
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56 - 24 全部的减去里面有夫妻的选择法: C 8 3 - C 4 1* C6 1(4对夫妻选一对,剩下一个人随便从6个人里面选) 不知道这么想对不对
56 - 24
全部的减去里面有夫妻的选择法: C 8 3 - C 4 1* C6 1(4对夫妻选一对,剩下一个人随便从6个人里面选)
不知道这么想对不对
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