这道计算题怎么简算?9.81×0.1+0.5×98.1+0.049×981

来源：学生作业帮编辑：搜搜做题作业网作业帮分类：数学作业时间：2024/06/13 05:17:37

这道计算题怎么简算?
9.81×0.1+0.5×98.1+0.049×981

9.81×0.1+0.5×98.1+0.049×981
=981×0.001+0.05×981+0.049×981
=981×（0.001+0.05+0.049）
=981×0.1
=98.1

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