下列各组中,两个集合相等的是A．M = {(1, 2)},N = {(2, 1)}B．M = {1, 2},N = {(1, 2)}C．M = {x|x = 2k 1, k ∈ Z}, N = {x|x = 2k − 1, k ∈ Z}
下列各组中,两个集合相等的是
A、M = {(1, 2)},N = {(2, 1)}
B、M = {1, 2},N = {(1, 2)}
C、M = {x|x = 2k 1, k ∈ Z}, N = {x|x = 2k − 1, k ∈ Z}
发布时间：2024-11-20 15:38:16
