问题
解答题
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答案
45÷3=9, | 14×5=70, | 32×4=128, | 4000÷8=500, |
5×9÷5×9=81, | 3×600=1800, | 480÷4=120, | 98-89=9, |
660÷3=220, | 870-250=620. |
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45÷3=9, | 14×5=70, | 32×4=128, | 4000÷8=500, |
5×9÷5×9=81, | 3×600=1800, | 480÷4=120, | 98-89=9, |
660÷3=220, | 870-250=620. |