6.8乘0.41+0.59乘3.4乘2的简便计算

问题描述:

6.8乘0.41+0.59乘3.4乘2的简便计算

6.8x0.41+0.59x3.4x2
=6.8x0.41+0.59x(3.4x2)
=6.8x0.41+0.59x6.8
=6.8x(0.41+0.59)
=6.8x1
=1