44×99+45×2-45简便计算
人气：256 ℃ 时间：2020-04-01 21:24:15
解答
44×99+45×2-45
=44×（100-1）+45×（2-1）
=44×100-44+45×1
=4400+45-44
=440116×45简便计算
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