问题
解答题
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答案
40÷5=8, | 18×2=36, | 70-25=45, | 21÷7=3, | 60+40=100, | 750-80=670, |
35÷5=7, | 27+23=50, | 420-100=320, | 20÷4=5, | 6×9=54, | 90-9=81, |
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40÷5=8, | 18×2=36, | 70-25=45, | 21÷7=3, | 60+40=100, | 750-80=670, |
35÷5=7, | 27+23=50, | 420-100=320, | 20÷4=5, | 6×9=54, | 90-9=81, |