题目内容
列竖式计算.
27.39+8.51=
6.78+17.5=
30.4-8.75=
10.03-8.97=
27.39+8.51=
6.78+17.5=
30.4-8.75=
10.03-8.97=
27.39+8.51=35.90;
6.78+17.5=24.28;
30.4-8.75=21.65;
10.03-8.97=1.06.
|
| . |
| 35.90 |
6.78+17.5=24.28;
|
| . |
| 24.28 |
30.4-8.75=21.65;
|
| . |
| 21.65 |
10.03-8.97=1.06.
|
| . |
| 1.06 |
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