题目内容
| 0.1÷0.2= | 0.06×1000= |
| 2.5+0.5+7.5= | 0.36÷0.03= |
| 3.8×0.1= | 0.8×2.9×1.25= |
| 5.6-5= | 3.9+0.03= |
| （2.5+0.25）×4= |
0.1÷0.2=0.5 |
0.06×1000=60 |
| 2.5+0.5+7.5=10.5 | 0.36÷0.03=12 |
| 3.8×0.1=0.38 | 0.8×2.9×1.25=2.9 |
| 5.6-5=0.6 | 3.9+0.03=3.93 |
| （2.5+0.25）×4=11 |
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