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数学
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先说出每道题的运算顺序,再算出来. (126-78)×14÷7
人气:330 ℃ 时间:2020-02-03 18:46:44
解答
先算出括号里的,再算14÷7,最后是乘法比较方便.
(126-78)×14÷7
=48×(14÷7)
=48×2
=96
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