【简答题】设全集 E = í 1,2,3,4,5,6 ý , A = í 1,4 ý , B = í 1,2,5 ý , C = í 2,4 ý 。求下列各集合。 (1) A ∩ ~ B (2) ( A ∩ B ) ∪ ~ C (3) ~ ( A ∩ B ) (4) A B (5) P ( A )∩ P ( B ) (6) P ( A ) ∪ P ( B ) (7) P ( A ) - P ( B )
【简答题】设全集 E ={1,2,3,4,5}, A ={1,4}, B ={1,2,5}, C ={2,4},求下列集合 (1)( A B ) ~ C = __________ ;(2)~( A B C ) = __________ ; (3) P ( A ) - P ( B ) = __________ ;(4) A B = __________ .