Question

• RESOLVA AS EXPRESSÕES ABAIXO:
A) (+ 19) + (+ 25)
B) (– 14) + (0)
C) (+ 820) + (– 150)
D) (– 10) – (– 8) + (– 2) – (+ 5) + (– 3)
E) (20 – 25) – 5 + (18 – 7 + 5)
F) 8 – (– 6) + (– 5) + (8 – 3+ 5 –10 + 12)
G) (+ 3 – 10 – 5 + 7 – 12) – (– 8 + 3 – 4 + 6 – 18)
H) + 10 + (– 6 – 3) – 4 – (+ 8 – 5) – (– 7 + 12)
I) + 14 – 21 + 45 – 6 – 8 + 35 – 50 + 21
J) + 8 – 5 + 3 – 4 + 7 – 2 + 6

Answer 1

Resposta:

A) (+ 19) + (+ 25) = 44

B) (– 14) + (0) = -14

C) (+ 820) + (– 150) = 670

D) (– 10) – (– 8) + (– 2) – (+ 5) + (– 3) = -12

E) (20 – 25) – 5 + (18 – 7 + 5) = 6

F) 8 – (– 6) + (– 5) + (8 – 3+ 5 –10 + 12) = 21

G) (+ 3 – 10 – 5 + 7 – 12) – (– 8 + 3 – 4 + 6 – 18) = 4

H) + 10 + (– 6 – 3) – 4 – (+ 8 – 5) – (– 7 + 12) = 13

I) + 14 – 21 + 45 – 6 – 8 + 35 – 50 + 21 = 30

J) + 8 – 5 + 3 – 4 + 7 – 2 + 6 = 13