3.25x4.8+6.7x5.2+3.45x4.8用简单方法计算

问题描述:

3.25x4.8+6.7x5.2+3.45x4.8用简单方法计算

=(3.25+3.45)*4.8+6.7*5.2
=6.7*4.8+6.7*5.2
=6.7*(4.8+5.2)
=6.7*10
=67