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7.64×0.55+7.64×0.45这道题怎么进行简算
人气:259 ℃ 时间:2020-01-29 05:29:35
解答
7.64×0.55+7.64×0.45
=7.64×(0.55+0.45)
=7.64×1
=7.64
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