Question

resultado de
+(+12)=
-(+25)=
+(-22)=
-(-18)=
+(+12)+(+40)=
+(+12)-(+18)=
-(+15)+(-8)=
+(23)-(+40)-(-30)=
-(+10)-(-45)-(-12)=
+(-20)+(-30)+(-8)=​

Answer 1

12

-25

-22

+18

12+40=52

12-18=-6

-15-8=-23

23-40+30=13

-10+45+12=47

-20-30-8=-58