题目内容
| 3.02÷2= | 2.03×4= |
| 3.5×4.3×0= | 4.7×10= |
| 7.2÷0.6= | 0.54÷9= |
| 4.35-0.69-0.31= | 1.25×47×0.8= |
| 3.02÷2=1.51， | 2.03×4=8.12， |
| 3.5×4.3×0=0， | 4.7×10=47， |
| 7.2÷0.6=12， | 0.54÷9=0.06， |
| 4.35-0.69-0.31=3.35， | 1.25×47×0.8=47． |
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