(8/9-5/6-1/4)*(-36)

问题描述:

(8/9-5/6-1/4)*(-36)

(8/9-5/6-1/4)*(-36)
=8/9×(-36)-5/6×(-36)-1/4×(-36)
=-32-(-30)-(-9)
=-32+30+9
=7