25/4*(-8)+11/3:(-11/2)-(-12/5*4*7/12)=-25*2-11/3*2/11-(-1/5*4*7)=-50-1/3*2-(-28/5)=-50-2/3+28/5=-676/15
25/4*(-8)+11/3:(-11/2)-(-12/5*4*7/12)=-25*2-11/3*2/11-(-1/5*4*7)=-50-1/3*2-(-28/5)=-50-2/3+28/5=-676/15