问题
解答题
竖式计算并验算.
12.75+6.8=
6.35-3.75=
9-0.19=
答案
(1)12.75+6.8=19.55;
12.75
;+6.8 19.55
验算:
6.8
;+12.75 19.55
(2)6.35-3.75=2.6;
6.35
;-3.75 2.60
验算:
3.75
;+2.6 6.35
(3)9-0.19=8.81;
9
;-0.19 8.81
验算:
8.81
.+0.19 9.00