题目内容
| 计算并验算 3.57+2.49= | 60-20.79= |
| 10-6.66= | 2.63+1.75=. |
3.57+2.49=6.06

验算:

60-20.79=39.21

验算:

10-6.66=3.34

验算:

2.63+1.75=4.38

验算:

验算:
60-20.79=39.21
验算:
10-6.66=3.34
验算:
2.63+1.75=4.38
验算:
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题目内容
| 计算并验算 3.57+2.49= | 60-20.79= |
| 10-6.66= | 2.63+1.75=. |