题目内容
| 口算: 75+25= | 808-108= | 35÷5= | 730-230= |
| 72÷8= | 570+100= | 42÷8= | 8×7= |
| 49+21= | 130+30= |
| 75+25=100 | 808-108=700 | 35÷5=7 | 730-230=500 |
| 72÷8=9 | 570+100=670 | 42÷8=5…2 | 8×7=56 |
| 49+21=70 | 130+30=160 |
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题目内容
| 口算: 75+25= | 808-108= | 35÷5= | 730-230= |
| 72÷8= | 570+100= | 42÷8= | 8×7= |
| 49+21= | 130+30= |
| 75+25=100 | 808-108=700 | 35÷5=7 | 730-230=500 |
| 72÷8=9 | 570+100=670 | 42÷8=5…2 | 8×7=56 |
| 49+21=70 | 130+30=160 |