問題詳情

15. Let S = {Alan, John, Jone, Sam, Don, Mary, Tom, Bil}. How many subsets are there whichcontain both Sam and Tom?
(A) 16;
(B) 32;
(C) 48;
(D) 64.

參考答案

答案:[無官方正解]
難度:計算中-1
書單:沒有書單,新增