问题:
已知全集U={x | x -7x+10≥0},A="{x" | |x -4| >2} ,B="{x" | ≥0},
求:C UA,A B
已知全集U={x | x -7x+10≥0},A="{x" | |x -4| >2} ,B="{x" | ≥0},
求:C UA,A B
求:C UA,A B
参考答案: