Question

Calcule:
A) (+6) – ( -3) =
B) (+4) – ( -9) =
C) (+10) – ( +3) =
D) (+8) – ( +9) =
E) (-17) – ( -3) =
F) (-9) – ( +10) =
G) (-8) – ( -12) =
H) (-1) – 2 =

Answer 1

Resposta:

A) (+6) – ( -3) = +6+3=+9

B) (+4) – ( -9) =+4+9=+13

C) (+10) – ( +3) =+10-3=+7

D) (+8) – ( +9) = +8-9=-1

E) (-17) – ( -3) =-17+3=-14

F) (-9) – ( +10) =-9-10=-19

G) (-8) – ( -12) =-8+12=+4

H) (-1) – 2 =-1-2=-3