问题描述:
⒈设全集I={1,2,3,4,5,6},集合A={1,2,3,4},A∩B={1},CI(A∪B)={6},求集合B.
⒉已知全集I={x|-3≤z≤3,x∈Z},CIA={-2,0,1},B={-1,1,2},C={0,1,2,3},求⑴(A∪B)∩C ⑵(A∩B)∪CIC
⒊已知全集I={-1,2,(a^2)-a},A={-1,|a+1|},CIA={0},求a的值.
⒉已知全集I={x|-3≤z≤3,x∈Z},CIA={-2,0,1},B={-1,1,2},C={0,1,2,3},求⑴(A∪B)∩C ⑵(A∩B)∪CIC
⒊已知全集I={-1,2,(a^2)-a},A={-1,|a+1|},CIA={0},求a的值.
问题解答:
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