巧算:37.5*1.2+12.5*6.4急

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/04 09:39:01

巧算:37.5*1.2+12.5*6.4急
巧算:37.5*1.2+12.5*6.4

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