一道数学有理数乘除法题,

问题描述:

一道数学有理数乘除法题,
-6×(-0.25)×14分之11

-6*(-0.25)*11/14
=6*0.25*11/14
=3*2*0.25*11/14
=3*0.5*11/14
=3*1/2*11/14
=(3*1*11)/(2*14)
=33/28