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) 25

b) -41

c) 42

d) -122

Explicação passo-a-passo:

a) 5+2.(+4)+12:

5+8+12-------> 13+12=25

b) -15-6-10.(2)

-15-6-20-------> -21-20= -41

c) 23+5.(3)+2.(2)

23+15+4--------> 23+19=42

d) -34-120/2 +32

-34-60+32--------> -94+32= 62