設X＝{0,1,2,4,5,7}，Y＝{1,4,6,8,9}，Z＝{4,7,9}，則(X∩Y)∪(X∩Z)等於...

問題詳情：

設X＝{0,1,2,4,5,7}，Y＝{1,4,6,8,9}，Z＝{4,7,9}，則(X∩Y)∪(X∩Z)等於(　　)

A．{1,4}                                B．{1,7}

C．{4,7}                                D．{1,4,7}

【回答】

D

知識點：*與函數的概念

題型：選擇題