U1234567A2457B345的精选

问题详情：已知*U={1,2,3,4,5,6,7},A={2,4,5,7},B={3,4,5},则(∁UA)∪(∁UB)等于()A．{1,6}                    B．{4,5}                     C．{2,3,4,5,7}         ...