题目内容
| 45+25= | 9×7= |
| 130+70= | 73-20= |
| 64÷8+25= | 32÷8= |
| 280+300= | 2400-800= |
| 20÷6= | 800-70= |
| 45+25=70 | 9×7=63 |
| 130+70=200 | 73-20=53 |
| 64÷8+25=33 | 32÷8=4 |
| 280+300=580 | 2400-800=1600 |
| 20÷6=3…2 | 800-70=730 |
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题目内容
| 45+25= | 9×7= |
| 130+70= | 73-20= |
| 64÷8+25= | 32÷8= |
| 280+300= | 2400-800= |
| 20÷6= | 800-70= |
| 45+25=70 | 9×7=63 |
| 130+70=200 | 73-20=53 |
| 64÷8+25=33 | 32÷8=4 |
| 280+300=580 | 2400-800=1600 |
| 20÷6=3…2 | 800-70=730 |