問題詳情

9. A = {1 , 3 , 5},B = {2 , 4},C = {2 , 3 , 5},則下列何者不正確? 
(A)(A

B) - C = {1 , 4} 
(B)(A - C)

(B - C) = {1} 
(C)A

(B

C) = {1 , 2 , 3 , 5} 
(D)A

(B

C) = {3 , 5}

參考答案

答案:B
難度:適中0.5
統計:A(0),B(0),C(0),D(0),E(0)