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379×1.038-3.79×3.8简便计算
人气:461 ℃ 时间:2019-12-28 11:58:15
解答
379×1.038-3.79×3.8
=3.79×103.8-3.79×3.8
=3.79×(103.8-3.8)
=3.79×100
=379
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