Question

设全集E={1,2,3,4,5,6},其子集A={1,4},B={1,2,5},C={2,4}.求下列集合.

Answer 1

E={1,2,3,4,5,6},A={1,4},B={1,2,5},C={2,4}

则：B = {3,4,6} C = {1,3,5,6}

（1）A∩~B = {4}

（2）(A∩B)∪~C = {1,3,5,6}

（3）~(A∩B) = {2,3,4,5,6}

（4）P(A)∩P(B) = {Φ,{1}}

（5）P(A)∩~P(B) = {Φ,{4}}