摘要：42×62, 6.603×607,
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| 直接写出得数． 9-8.84= 0.36 0.36 |
0.63+0.3= 0.66 0.66 |
0.35÷5= 0.07 0.07 |
| 0×3.5×1.7= 0 0 |
5×4= 20 20 |
1.1-0.11= 0.99 0.99 |
| 0.24÷0.6= 0.4 0.4 |
2×0.5÷1.2×0.5= 0.42 0.42 |
4+5.6÷0.7= 12 12 |
| 3.62+4.3-0.62+6.7= 14 14 ． |