题目内容
竖式计算并验算.
12.75+6.8=
6.35-3.75=
9-0.19=
12.75+6.8=
6.35-3.75=
9-0.19=
(1)12.75+6.8=19.55;
12.75
;
验算:
6.8
;
(2)6.35-3.75=2.6;
6.35
;
验算:
3.75
;
(3)9-0.19=8.81;
9
;
验算:
8.81
.
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 |
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