Question

+3-(+9)=
+2-(+2)=
-9-(-5)=
+6-(+10)=
-4-(-11)=
-8-(+6)=
9-(+2)=
-12-(+8)=
-6-0=
-3-(+8)=
-20-(-12)=
-8-(+4)=
12-(-20)=
​

Answer 1

Explicación paso a paso:

+3-(+9)= -6

+2-(+2)=0

-9-(-5)= -4

+6-(+10)= -4

-4-(-11)= 7

-8-(+6)= -14

9-(+2)= 7

-12-(+8)= -20

-6-0= -6

-3-(+8)= -11

-20-(-12)= -8

-8-(+4)= -12

12-(-20)= 32