Question

4) Calcule o valor das expressões: a) 2 5 – 24 b) 24 – 22 – 20 c) -32 + 1 – 65 d) 42 – 51 + 03 + 7

Answer 1

Resposta:

a) 25 - 24 =

1

b) 24 - 22 - 20 =

2 - 20 =

-18

c) - 32 + 1 - 65 =

- 31 - 65 =

- 96

d) 42 - 51 + 03 + 7 =

- 9 + 03 + 7 =

- 9 + 10 =

1