Question

e)-3+[1-(4-1)+5]
f)4-[2-(3-2)]

Answer 1

Oi...

e)

- 3 + [1 - (4 - 1) + 5]

- 3 + [1 - 3 + 5]

- 3 + [6 - 3]

- 3 + 3

0

f)

4 - [2 - ( 3 - 2)]

4 - [2 - 1]

4 - 1

3

Bons estudos.