9.80.1+0.598.1+0.049*981怎样计算简便

分类: 作业答案 • 2023-01-21 11:40:49

问题描述：

9.8*0.1+0.5*98.1+0.049*981怎样计算简便

答

9.81*0.1+0.5*98.1+0.049*981
=9.81*0.1+5*9.81+4.9*9.81
=9.81*(0.1+5+4.9)
=9.81*10
=98.1

9.8*0.1+0.5*98.1+0.049*981怎样计算简便