用简便一点二五乘三点二乘零点八等于

Question

用简便一点二五乘三点二乘零点八等于

Answer 1

用简便一点二五乘三点二乘零点八等于
解：采用乘法交换律，
原式=1.25x3.2x0.8
=1.25x0.8x3.2
=1x3.2
=3.2

Answer 2

1.25X3.2X0.8
=(1.25X0.8)X3.2
=1X3.2
=3.2本回答被网友采纳

Answer 3

1.25×3.2×0.8
=1.25×0.8×3.2
=1×3.2
=3.2

Answer 4

图

Answer 5

应该是3.2把