试题 试卷
题型:综合题 题类:常考题 难易度:普通
A组:1,6,7,12,13,18,19,…
B组:2,5,8,11,14,17,20,…
C组:3,4,9,10,15,16,21,…
则
(1+1.2)+(2+1.2×2)+(3+1.2×3)+…+(99+1.2×99)+(100+1.2×100)
试题篮