问题
解答题
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答案
38+42=80, | 46-19=27, | 44+25=69, | 1000-600=400, | 55+26=81, |
64÷8=8, | 8×4=32, | 80-24=56, | 700+200=900, | 940-600=340. |
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38+42=80, | 46-19=27, | 44+25=69, | 1000-600=400, | 55+26=81, |
64÷8=8, | 8×4=32, | 80-24=56, | 700+200=900, | 940-600=340. |