問題詳情

2. In how many ways can the letters in AAANSYSU be linearly arranged such that all the A'sare adjacent?
(A) 720;
(B) 360;
(C) 240;
(D) 180.

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