Question

1. Efetue.
a) (-8) - (+7) =
b) (-5) - (+13) =
c) (-30) - (+70) =
d) (-72) - (+30) =
e) (-3) - (17)
f) (+10) - (+30) =
g) (+80) - (-15) =
h) (-37) - (+20) =​

Answer 1

Resposta:

A)(-8)-(+7)=-8-7=-1

B)(-5)-(+13)=-5-13=-18

C)(-30)-(+70)=-30-70=-100

D)(-72)-(+30)=-72-30=-102

E)(-3)-(17)=-3-17=-20

F)(+10)-(+30)=+10-30=+20

G)(+80)-(-15)=+80+15=+95

H)(-37)-(+20)=-37-20=-57

Espero ter ajudado,bons estudos