Yes,C(8,3)-C(4,1)C(23,1)=32 or[ C(2,1)]^3C(4,3)=32

来源: jinjing 于 2010-07-22 09:04:16 [旧帖] [给我悄悄话] 本文已被阅读：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.

Yes,C(8,3)-C(4,1)*C(2*3,1)=32 or[ C(2,1)*]^3*C(4,3)=32