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题目内容
In a group of people, 30 people speak French, 40 speak Spanish, and $$\frac{1}{2}$$ of the people who speak Spanish do not speak French. If each person in the group speaks French, Spanish, or both, which of the following statements are true?
Indicate all such statements.
Indicate all such statements.
A,B,C显示答案
· 相关考点
6.1.2 交集、并集、补集、全集关系
6.1.2 交集、并集、补集、全集关系
以上解析由 考满分老师提供。
