问题
解答题
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答案
320×3=960, | 280÷4=70, | 53-53÷53=52, |
12×500=6000, | 505÷5=101, | (60+30)÷15=6, |
18×50=900, | 1800÷60=30, | 60+60÷60=61, |
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320×3=960, | 280÷4=70, | 53-53÷53=52, |
12×500=6000, | 505÷5=101, | (60+30)÷15=6, |
18×50=900, | 1800÷60=30, | 60+60÷60=61, |