问题
解答题
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答案
80÷10=8, | 63÷3=21, | 280÷70=4, | 90÷5=18, |
10×50=500, | 28×20=560, | 280×0=0, | 14×5=70, |
54+28=82, | 74-24=50, | 100-49=51, | 28+72=100. |
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80÷10=8, | 63÷3=21, | 280÷70=4, | 90÷5=18, |
10×50=500, | 28×20=560, | 280×0=0, | 14×5=70, |
54+28=82, | 74-24=50, | 100-49=51, | 28+72=100. |