题目列表(包括答案和解析)
| 2×5= | 4.2-1.8= | 12.5×8= | 3.54×10= | 5.2+0.8= |
| 2.15+1.85= | 0÷0.25= | 2÷0.4= | 9÷6= | 70×50= |
| 2×5= | 4.2-1.8= | 12.5×8= | 3.54×10= |
| 70×50= | 2.15+1.85= | 0÷0.25= | 2÷0.4= |
| 9÷6= | 7x-2.8x= |
| 5×4= | 6.4÷0.8= | 7.2×0.01= | 10÷4= | 0.36×2= | 1÷0.125= |
| 0.25×8= | 8.1÷0.3= | 0.1×0.02= | 1.6÷16= | 2.4×2.5= | 3.2÷1.6= |
| 1.5+0.25×4= | 3.5+7.6= | 3×0.2×0.5= |
| 1.5×4= | 6.4÷0.8= | 7.2×0.01= | 10÷4= |
| 0.36×2= | 1÷0.125= | 0.25×8= | 8.1÷0.3= |
| 0.1×0.02= | 1.6÷16= | 2.4×2.5= | 3.2÷1.6= |
| （1.5+0.25）×4= | 3.5+7.6= | 3×0.2×0.5= | 12-6.2-3.8= |
| 8×（2.5+0.25）= | 2.56-0.37= | 0.125÷0.25= | 7×1.6+7×0.4= |
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