题目内容
直接写出得数
| 2.7+2.2= | 6.9-6= | 0.59-0.9= | 0.7-0.7= | 0.2+0.8= |
| 4-1.76= | 1-0.09= | 9.5+11= | 6.8-6= | 4.8+5.2= |
| 2.7+2.2=4.9, | 6.9-6=0.9, | 0.59-0.9=-0.31, | 0.7-0.7=0, | 0.2+0.8=1, |
| 4-1.76=2.24, | 1-0.09=0.91, | 9.5+11=20.5, | 6.8-6=0.8, | 4.8+5.2=10. |
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