题目内容
| 口算 1.2×3= | 0.5×2= | 0.4×0.6= | 0.25×4= |
| 3.6÷9= | 4.2÷0.6= | 2÷4= | 8÷5= |
| 1.2×3=3.6, | 0.5×2=1, | 0.4×0.6=0.24, | 0.25×4=1, |
| 3.6÷9=0.4, | 4.2÷0.6=7, | 2÷4=0.5, | 8÷5=1.6. |
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题目内容
| 口算 1.2×3= | 0.5×2= | 0.4×0.6= | 0.25×4= |
| 3.6÷9= | 4.2÷0.6= | 2÷4= | 8÷5= |
| 1.2×3=3.6, | 0.5×2=1, | 0.4×0.6=0.24, | 0.25×4=1, |
| 3.6÷9=0.4, | 4.2÷0.6=7, | 2÷4=0.5, | 8÷5=1.6. |