题目内容
| 口算下面各题． 0.8+1.2= | 0.25+0.75= | 1.8-0.8= | 1-0.68= |
| 0.3×0.4= | 4÷0.5= | 0.027×100= | 5.7÷0.3= |
| 0.61+0.06= | 0.5×2.4= | 5.5÷10= | 0.27-0.15= |
| 0.8+1.2=2 | 0.25+0.75=1 | 1.8-0.8=1 | 1-0.68=0.32 |
| 0.3×0.4=0.12 | 4÷0.5=8 | 0.027×100=2.7 | 5.7÷0.3=19 |
| 0.61+0.06=0.67 | 0.5×2.4=1.2 | 5.5÷10=0.55 | 0.27-0.15=0.12 |
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