-6+8=
-4-2=
9+(-8)=
4-7=
-8+2=
10+(-12)=
-9-3=
-15+18=
-14+6=
21+(-11)=
-6+14=
-17-13=
-12+3=
26+(-29)=
-7+10=
27+(-13)=
-9+4=
-15-5=
11-23=
-12+18=

-6+8=2-4-2=-69+(-8)=14-7=-3-8+2=-610+(-12)=-2-9-3=-12-15+18=3-14+6=-821+(-11)=10-6+14=8-17-13=-30-12+3=-926+(-29)=-3-7+10=327+(-13)=14-9+4=-5-15-5=-2011-23=-12-12+18=6