3.-7 + 12 +15 =
4.-5-9-13 =
5.40 - 33 + 11 =
6.57 + 63 - 10 =
7.-21 +17 - 25 - 65 =
8.12 + 19 +5-2=
PLS SOMEONE HELP I hate math

Relax

Respuesta :

a . ,34

b. -17

c. 18

d. 4

e. -52

f. 34

Please mark me as brainliest.?