题目内容
列竖式计算.
| *0.83×9.6= | *9.36÷5.2= | ▲0.026×4.5 | ▲3.52÷1.7. |
(1)0.83×9.6=7.968;
0.8 3
;
验算:
9.6
;
(2)9.36÷5.2=1.8;

验算:
5.2
;
(3)0.026×4.5=0.117;
0.02 6
;
验算:
4.5
;
(4)3.52÷1.7≈2.07;

0.8 3
| ×9.6 |
| 498 |
| 747 |
| 7.968 |
验算:
9.6
| ×0.83 |
| 288 |
| 768 |
| 7.968 |
(2)9.36÷5.2=1.8;
验算:
5.2
| ×1.8 |
| 416 |
| 52 |
| 9.36 |
(3)0.026×4.5=0.117;
0.02 6
| ×4.5 |
| 130 |
| 104 |
| 0.1170 |
验算:
4.5
| 0.026 |
| 270 |
| 90 |
| 0.1170 |
(4)3.52÷1.7≈2.07;
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