Question

1- Efetue:
A) (-10) – (+3)
B) (-15 ) – ( -8)
C) 0 – (-25)
D) (+5) – (+9)
E) (+17) – 0
F) (+24) – (-12)
G) (-5) – (-3) – (+7) + (-4)
H) (+14) + (+6) –(-2) + (-9)

Answer 1

a- -20

b- +23

c- -25

d- -4

e- +17

f- +36