125乘2.5乘31加125乘2.5的简便方式计算
问题描述:
125乘2.5乘31加125乘2.5的简便方式计算
答
125x2.5x31+125x2.5
=125x2.5x(31+1)
=125x2.5x32
=125x8x4x2.5
=1000x100
=100000