题目内容
| 口算题： 0.75×2= | 0.42×0.2= | 2.5×0.4= | 40×1.3= | 0.07×8= |
| 1.2×0.4= | 0.08×0.5= | 1.25×8= | 0.03×3.1= | 1.3×5= |
| 0.75×2=1.5 | 0.42×0.2=0.084 | 2.5×0.4=1 | 40×1.3=52 | 0.07×8=0.56 |
| 1.2×0.4=0.48 | 0.08×0.5=0.04 | 1.25×8=10 | 0.03×3.1=0.093 | 1.3×5=6.5 |
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