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下列哪个选项是错误的?
A.已知A,B是集合,则 A × B = B × A .
B.已知A,B,C是集合,则 (A ∪ B) × C =(A ×C) ∪ (B × C).
C.已知A,B,C是集合,则 A×(B∪C) =(A ×B) ∪ (A × C).
D.已知A,B,C是集合,则 (A ∩ B) × C =(A ×C) ∩ (B × C).
E.已知A,B,C是集合,则 (A × B) × C = A × (B × C).
F.已知A是集合,|A|=4,|P(A)|=16.
参考答案和解析
C
更多 “下列哪个选项是错误的?A.已知A,B是集合,则 A × B = B × A .B.已知A,B,C是集合,则 (A ∪ B) × C =(A ×C) ∪ (B × C).C.已知A,B,C是集合,则 A×(B∪C) =(A ×B) ∪ (A × C).D.已知A,B,C是集合,则 (A ∩ B) × C =(A ×C) ∩ (B × C).E.已知A,B,C是集合,则 (A × B) × C = A × (B × C).F.已知A是集合,|A|=4,|P(A)|=16.” 相关考题
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