化简下述集合公式(离散数学) (A∩B∩C)∪(A∩~B∩C)∪(~A∩B∩C) 要过程谢谢

2024-12-01 08:08:28
推荐回答(1个)
回答1:

(A∩B∩C)∪(A∩~B∩C)∪(~A∩B∩C)
=(A∩B∩C)∪(A∩B∩C)∪(A∩~B∩C)∪(~A∩B∩C)
=[(A∩B∩C)∪(A∩~B∩C)]∪[(A∩B∩C)∪(~A∩B∩C)]
=(A∩C)∪(B∩C)
=(A∪B)∩C