来自刘文胜的问题
已知集合A={1,2,3,4},B={x|x=n2,n∈A},则A∩B答案已知集合A={1,4},B={x|x=n2,n∈A},则A∩B=()(A){0}(B){-1,,0}(C){0,1}(D){-1,,1}
已知集合A={1,2,3,4},B={x|x=n2,n∈A},则A∩B答案
已知集合A={1,4},B={x|x=n2,n∈A},则A∩B=()(A){0}(B){-1,,0}(C){0,1}(D){-1,,1}
3回答
2020-06-22 13:17