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348减去小括号125+148简便算法
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这里我们只需吧括号打开,用348-148后再减125,就会变的简单,最后结果是75
咨询记录 · 回答于2022-01-17
348减去小括号125+148简便算法
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348-(125+148)=348-125-148=348-148-125=200-125=75
这里我们只需吧括号打开,用348-148后再减125,就会变的简单,最后结果是75
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