Question

01. Efetue:
A)-1-2-3=
B) -4-5-8 + 10 =
C) -7 +20 - 15 + 20 -1 =
D) +8 -10- 7+ 13 - 14+5-6=
E) -13 +7-9+5-13 =
F) -20 + 10 - 10 + 20 + 14 - 13 -1 =
G) -8 - 10+ 17 - 3+4 - 7+8 -1 =
H)-6-7-13-26 + 54 - 2 =

​

Answer 1

A)-1-2-3= -6

B) -4-5-8 + 10 = -7

C) -7 +20 - 15 + 20 -1 = 17

D) +8 -10- 7+ 13 - 14+5-6= -11

E) -13 +7-9+5-13 = -23

F) -20 + 10 - 10 + 20 + 14 - 13 -1 = 0

G) -8 - 10+ 17 - 3+4 - 7+8 -1 = 1

H)-6-7-13-26 + 54 - 2 = 2