Question

8+11=
+8+23=
30-14=
-20+58=
15-35=
-45+30=
-15-136=
-60-54=
0+0=
0-3=

Answer 1

Explicação passo-a-passo:

8+11

19

+8+23

31

30-14

16

-20+58

38

15-35

-20

-45+30

-15

-15-136

-151

-60-54

-114

0+0

0

0-3

-3