27.1×0.65+2.5×2.71+2.71怎么简算

分类: 作业答案 • 2022-03-30 11:32:23

问题描述：

答

27.1×0.65+2.5×2.71+2.71
=2.71×6.5+2.5×2.71+2.71×1
=2.71×（6.5+2.5+1）
=2.71×10
=27.1