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- , , , A ={,,,} A ={,,,,,............}
A={1,2,3}B={3,4,5}C={4,6,7}U={1,2,3,4,5,6,7,8}AUB={1,2,3,4,5}BC={4} ? ? U={1,2,3,4,5,6,7}A={1,3,5}B={2,4,6} C={3,4,5,6,7} (AUB)C=(AC)U(BC) U={1,2,3,4,5,6,7,8}A={1,2,5}B={2,4,7}C={3,5,8}(AB) (BC)
