| 99×0.25= | 0.2×0.04= | 0.24÷0.3= | 0.45÷0.5= |
| 8÷5= | 2.7×2= | 3.6÷0.01= | 0.12+0.8= |
| 0.8×1.25= | 7÷0.25= | 0.4×0.02= | 3.5+7.6= |
| 1.23÷3= | 2.4×2.5= | 16÷1.6= | 0.9÷0.01= |
| 0.76﹣0.6= | 8.4×5= | 3.2﹣1.34﹣1.66= | 1.25×0.8= |
| 7.2÷0.072= | 12.8﹣0.28= | 3.6×0.7÷3.6×0.7= | 2.5f﹣f= |
| 0.7 0.56 | 1.060 1.06 |
| 4.8×0.99 4.8 | 9.5÷0.88 9.5． |
| 5.27﹣1.98﹣0.02 | 3.2×5.7+6.8×5.7 |
| 2.5×6.8×0.4 | 5.6﹣36÷30 |
| 0.72+9.6÷3.2 | 7.75×[20÷（3.24﹣3.04）]． |
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