题目内容
竖式计算,后面两道要验算.
| 39×28= | 1.6-0.8= | 924÷7= | 658+447=验算: | 635÷5=验算: |
39×28=1092;
39
;
1.6-0.8=0.8;
1.6
;
924÷7=132;
132
7
;
658+447=1105;
658
;
验算:
447
;
635÷5=127;
127
5
;
验算:
127
.
39
| ×28 |
| 312 |
| 78 |
| 1092 |
1.6-0.8=0.8;
1.6
| -0.8 |
| 0.8 |
924÷7=132;
132
7
| 924 |
| 7 |
| 22 |
| 21 |
| 14 |
| 14 |
| 0 |
658+447=1105;
658
| +447 |
| 1105 |
验算:
447
| +658 |
| 1105 |
635÷5=127;
127
5
| 635 |
| 5 |
| 13 |
| 10 |
| 35 |
| 35 |
| 0 |
验算:
127
| ×5 |
| 635 |
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