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Set $$S$$ has twice as many members as set $$R$$, and the two sets have some members in common.
Quantity A
The number of members that are in $$S$$ and not in $$R$$
Quantity B
Twice the number of members that are in $$R$$ and not in $$S$$
D显示答案
· 相关考点
6.1.1 子集
6.1.1 子集
以上解析由 考满分老师提供。
