Question

五年级数学【1-0.125】×0.8用简便方法计算

Answer 1

（1-0.125）X0.8=1X0.8-0.125X0.8=0.8-0.1=0.7

Answer 2

（1-0.125）=1-1/8=7/8 0.8=8/10 7/8X8/10=7/10=0.7

Answer 3

（1-0.125）*0.8
=1*0.8-0.125*0.8
=0.8-0.1
=0.7