题目内容
| 口算下面各题. 0.5×1.2= | 1.25×0.8= | 0.16×0.5= |
| 0.25×4= | 3.2×0.5= | 0.2×50= |
| 1.1×0.1= | 1.7×0.03= | 2.4×0.5= |
| 0.12×7= |
| 0.5×1.2=0.6, | 1.25×0.8=1, | 0.16×0.5=0.08, |
| 0.25×4=1, | 3.2×0.5=1.5, | 0.2×50=10, |
| 1.1×0.1=0.11, | 1.7×0.03=0.051, | 2.4×0.5=1.2, |
| 0.12×7=0.84. |
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