题目内容
| 74-47= | 90+60= | 90-65= | 53-42= |
| 32+24= | 83-26= | 55-37= | 52+26= |
| 84-59= | 56+25= | 36+48= | 84-39= |
| 49÷7= | 8×5= | 34-27= | 61+38= |
| 74-47=27 | 90+60=150 | 90-65=25 | 53-42=11 |
| 32+24=56 | 83-26=57 | 55-37=18 | 52+26=78 |
| 84-59=25 | 56+25=81 | 36+48=84 | 84-39=45 |
| 49÷7=7 | 8×5=40 | 34-27=7 | 61+38=99. |
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