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#7d798071-5d5c-4bbd-8417-92fed842ed24基础解答题交集定义与运算集合与常用逻辑用语

22.设集合Sn={1S_{n}=\{1,2,3,\dotsbn}n\},若XSnX\sube S_{n},把XX的所有元素的乘积称为XX的容量(若XX中只有一个元素,则该元素的数值即为它的容量,规定空集的容量为0)0).若XX的容量为奇(偶))数,则称XXSnS_{n}奇(偶))子集.若n=6n=6,则SnS_{n}的所有奇子集的容量之和为 [ 47 ].

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