题目内容
| 12×3= | 60÷3= | 21×3= | 84÷4= | 24+40= |
| 2800÷7= | 38-9= | 24×3= | 4×70= | 4000÷5= |
| 3600×0= | 4×25= | 560÷7= | 14×5= | 48÷4= |
| 77÷7= | 100-100÷5= | 1+8×500= | 30÷6×14= | 3×7÷3×7= |
| 12×3=36, | 60÷3=20, | 21×3=63, | 84÷4=21, | 24+40=64, |
| 2800÷7=400, | 38-9=29, | 24×3=72, | 4×70=280, | 4000÷5=800, |
| 3600×0=0, | 4×25=100, | 560÷7=80, | 14×5=70, | 48÷4=12, |
| 77÷7=11, | 100-100÷5=80, | 1+8×500=4001, | 30÷6×14=70, | 3×7÷3×7=49. |
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