Question

doy 50 puntos si me contestas esto
+12-8+6=
-9-9-9=
+19-23=
-27+16=
+33-45=
+9-(-17)=
+20.5-(-14.2)=
-17.4+12.3=
-12.7-(-6.3)=
-3.4(-6.9)=

Answer 1

Respuesta:

+12-8+6=10

-9-9-9=-9

+19-23=-4

-27+16=-12

+33-45=-12

+9-(-17)=-26

+20.5-(-14.2)=34.7

-17.4+12.3=-29.7

-12.7-(-6.3)=-19.0

-3.4(-6.9)=10.3