题目内容
| 8-0.72= | 0.72×2.5×4= | 7.2÷0.8= | 0.64÷1.6= |
| 8.7÷2.9×2.9= | 4.2÷0.1= | 7.2+6.5+2.8= | 1.5×0.75+1.5×0.25= |
| 8-0.72=7.28 | 0.72×2.5×4=7.2 | 7.2÷0.8=9 | 0.64÷1.6=0.4 |
| 8.7÷2.9×2.9=8.7 | 4.2÷0.1=42 | 7.2+6.5+2.8=16.5 | 1.5×0.75+1.5×0.25=1.5 |
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