有4對人,任取3人組成1個小組.但不能從任意1對中取2個,問有多少種可能性?
謝謝了.
排列組合
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The answer is 32
-ElizabethTaylor-
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07/22/2010 postreply
05:22:51
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Yes,C(8,3)-C(4,1)*C(2*3,1)=32 or[ C(2,1)*]^3*C(4,3)=32
-jinjing-
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07/22/2010 postreply
09:04:16
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48
-newers-
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07/22/2010 postreply
21:45:22
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sorry, 32.
-newers-
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07/23/2010 postreply
08:03:47
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think easier 回複:The answer is 32
-mathg-
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08/16/2010 postreply
22:21:54