Question

若A={1,2},B={2,3},C={3,4,5},则（AnB)UC=( )?(AUB)nC=( )?(AnB)nC=

Answer 1

（AnB)UC={2,3,4,5},

(AUB)nC={3},

(AnB)nC=空集

An(BUC)={2},

Bn(AUC)={2,3},