46. 0 3 1 2 –4 5 –11
(A)-20
(B)0
(C)10
(D)20
答案:登入後查看
統計: A(453), B(500), C(767), D(915), E(0) #1562518
統計: A(453), B(500), C(767), D(915), E(0) #1562518