如图请用集合UABC那道题,
1个回答

Ⅰ=A∩B∩C

Ⅱ=C(A∩B)[A∩B∩C]

Ⅲ=C(A∩C)[A∩B∩C]

Ⅳ=C(B∩C)[A∩B∩C]

Ⅴ=C(A)[(A∩B)∪(A∩C)]

Ⅵ=C(C)[(C∩B)∪(C∩A)]

Ⅶ=C(B)[(B∩C)∪(B∩A)]

Ⅷ=C(U)[A∪B∪C]