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 -

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

Resposta:

A -4

B -7

C 17

D -5

E -23

F 0

G 0

H 0