题目内容
口算.
| 800÷4= | 300÷6= | 40×21= | 320÷8= |
| 60×30= | 44÷4= | 82÷2= | 36÷3= |
| 800÷4=200, | 300÷6=50, | 40×21=840, | 320÷8=40, |
| 60×30=1800, | 44÷4=11, | 82÷2=41, | 36÷3=12. |
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题目内容
| 800÷4= | 300÷6= | 40×21= | 320÷8= |
| 60×30= | 44÷4= | 82÷2= | 36÷3= |
| 800÷4=200, | 300÷6=50, | 40×21=840, | 320÷8=40, |
| 60×30=1800, | 44÷4=11, | 82÷2=41, | 36÷3=12. |