Question

-
Resolva as expressões abaixo:
a) +5 +2.(+ 4) + 12 =
b) – 15 – 6 – 10.(2) =
c) +23+5. (3) +2.(2) =
- 34 - 120 + 32 =

Answer 1

Resposta:

a)+5+8+12=+13+12=

+2

b)-15-6-20=-21-20=

-41

c)23+15-4=38-4=

34

d)-34-60+32=-94+32=

-62