[計量] bigbook
寫計量第一次遇到 題目完全看不懂的狀態=.=
查過字典還是不知道他在說什麼…
麻煩各位鄉民替我解答
Of the 7 members of the city council, 4 are
Democrats and 3 are Republicans. T is the total number
of different 3-person commitees that can be appointed from
the council membership such that each committee consists
of 2 Democrats and 1 Republicans
T 15
Ans: A
我的問題是，看不懂題目…
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10/21 18:10, , 1F
10/21 18:10, 1F
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10/21 18:12, , 2F
10/21 18:12, 2F
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10/21 18:12, , 3F
10/21 18:12, 3F
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10/21 18:13, , 4F
10/21 18:13, 4F
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10/21 18:13, , 5F
10/21 18:13, 5F
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10/21 18:13, , 6F
10/21 18:13, 6F
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10/21 18:14, , 7F
10/21 18:14, 7F
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10/21 20:15, , 8F
10/21 20:15, 8F
推
10/21 22:36, , 9F
10/21 22:36, 9F