Question

8. Calcule :
+5 +18
- 12-8
-32+ 25
-23 +12
+45-32
+ 57-31
+ 56 -34
- 32-53
-36-54
-35-16
-51-21
- 12 +32​

Answer 1

+5+18= 23

-12-8= -20

-32+25= -7

-23+12= -11

+45-32= 13

57-31= 16

56-34= 22

-32-53= -85

-36-54= -90

-35-16= -51

-51-21= -72

-12+32= 20