阿摩線上測驗
52. If x is a positive even integer and y is a negative odd integer, then which of the following must be a positive odd integer?
(A) x3 y2
(B)
(C) 
(D) x + y
答案：登入後查看
統計： A(2), B(0), C(2), D(2), E(0) #2320009
統計： A(2), B(0), C(2), D(2), E(0) #2320009
