Question

Resolva as expressões numéricas: a) –4² + (3 – 5) = b) (–5)2 – (– 2)³ = c) (–6) 3 + (– 3) 2 =

Answer 1

Resposta:

a) –4² + (3 – 5) =

16+(-2)=

16-2=

14

b) (–5)2 – (– 2)³ =

(-5)2 - (-8)

(-5)2+8

(-5)+10

5

c) (–6) 3 + (– 3) 2 =

(-6)3-3+2=

-3-3+2=

-6+2

-4