-81:(83-110)+25x(-11+36:(-4)

=3+25х(-11-9)=3+25х(-20)=3-500х

-81:(83-110)+25x(-11+36:(-4)=-497
1)83-110=-27
2)36:-4=-9
3)-11+(-9)=-20
4)-81:-27=3
4)25*-20=-500
5)3+(-500)=-497