巧算:37.5*1.2+12.5*6.4急
来源:学生作业帮助网 编辑:六六作业网 时间:2024/12/19 09:26:50
巧算:37.5*1.2+12.5*6.4急巧算:37.5*1.2+12.5*6.4急巧算:37.5*1.2+12.5*6.4急37.5*1.2+12.5*6.4=12.5*3*1.2+12.5*6.4
巧算:37.5*1.2+12.5*6.4急
巧算:37.5*1.2+12.5*6.4
急
巧算:37.5*1.2+12.5*6.4急
37.5*1.2+12.5*6.4
=12.5*3*1.2+12.5*6.4
=12.5*(3.6+6.4)
=12.5*10
=125
37.5*1.2+12.5*6.4
=12.5*3.6+12.5*6.4
=12.5×(3.6+6.4)
=12.5×10
=125