题目内容
| 口算下面各题. 0.68-0.48= | 2.7+4.3= | 5.14+1.86= | 2.5-1.4= |
| 3.3-0.5= | 1.2-0.7= | 5.2-4= | 0.6+0.9= |
| 0.68-0.48=0.2, | 2.7+4.3=7, | 5.14+1.86=7, | 2.5-1.4=1.1, |
| 3.3-0.5=2.8, | 1.2-0.7=0.5, | 5.2-4=1.2, | 0.6+0.9=1.5. |
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题目内容
| 口算下面各题. 0.68-0.48= | 2.7+4.3= | 5.14+1.86= | 2.5-1.4= |
| 3.3-0.5= | 1.2-0.7= | 5.2-4= | 0.6+0.9= |
| 0.68-0.48=0.2, | 2.7+4.3=7, | 5.14+1.86=7, | 2.5-1.4=1.1, |
| 3.3-0.5=2.8, | 1.2-0.7=0.5, | 5.2-4=1.2, | 0.6+0.9=1.5. |