问题
填空题
设U={1,2,3,4,5},且A≠⊂U,B⊂≠U,A∩B={2},(CUA)∩B={4},(CUA)∩(CUB)={1,5},则A=______B=______.
答案
结合题设条件,作出文氏图,
结合图形,知A={2,3},B={2,4}.
故答案:{2,3},{2,4}.
设U={1,2,3,4,5},且A≠⊂U,B⊂≠U,A∩B={2},(CUA)∩B={4},(CUA)∩(CUB)={1,5},则A=______B=______.
结合题设条件,作出文氏图,
结合图形,知A={2,3},B={2,4}.
故答案:{2,3},{2,4}.