设集合A={x丨x＞1}，B={x丨-2＜x＜3}，则A∪B=｛x丨x＞-2}A∩B={x丨1＜x＜3}，还有设全集为R，A={x丨x≥1}，B={x丨0≤x＜3},则A∩B={x丨x≥0｝A∩B={x丨1≤x＜3},，CR(A∪B）｛x{x丨x＜0}，CR(A∩B）={x丨x＜1或x＞3},,如有问题，欢迎再问
