初中计算(-2)^4/(-2 2/3)^2+(5 1/2)*(-1/6)-0.25

问题描述:

初中计算(-2)^4/(-2 2/3)^2+(5 1/2)*(-1/6)-0.25

(-2)^4/(-2 2/3)^2+(5 1/2)*(-1/6)-0.25
=16/(-8/3)^2+(11/2)*(-1/6)-0.25
=16/(64/9)-11/12-0.25
=9/4-11/12-0.25
=2-11/12
=1又12分之1