Question

resolva as expressões numéricas

Answer 1

Resposta Letra B) 2 x (-1-3)² = 2 x -4² = 2 x 16 = 32

Answer 2

Resolva as expressões numéricas:

a) - 5 · (- 2) - 3 · (- 2)² =

10 - 3 · 4 =

10 - 12 =

- 2

b) (- 2 + 4) · (- 1 - 3)² =

2 · (- 4)² =

2 · 16 =

32