问题
解答题
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答案
32×30=960, | 17×3=51, | 23×11=253, | 10÷7= | 300×3=900, | ||
756-45=711, | 3000÷6=500, | 190×2=380, | 790-450=340, | 40×80=3200, | ||
720+58=778, | 24×5=120, | 198+302=500, | 191×61≈12000, | 309×42≈12000. |
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32×30=960, | 17×3=51, | 23×11=253, | 10÷7= | 300×3=900, | ||
756-45=711, | 3000÷6=500, | 190×2=380, | 790-450=340, | 40×80=3200, | ||
720+58=778, | 24×5=120, | 198+302=500, | 191×61≈12000, | 309×42≈12000. |