作业帮用简便方法计算9.81*0.1+0.5*98.1+0.049*981
来源：学生作业帮助网 编辑：作业帮 时间：2024/05/02 06:55:37
用简便方法计算9.81*0.1+0.5*98.1+0.049*981
用简便方法计算9.81*0.1+0.5*98.1+0.049*981
用简便方法计算9.81*0.1+0.5*98.1+0.049*981
9.81*0.1+0.5*98.1+0.049*981
=9.81*0.1+9.81*5+9.81*4.9
=9.81*（0.1+4.9+5）
=9.81*10
=98.1