Question

4 - {- 22 +[34 - (- 24 + 20) – 6 ] }

- 5
– 6

Answer 1

4 - {-22 + [34 - (-24 + 20) - 6]}.

(-24 + 20) = -4.

4 - {-22 + [34 - (-4) - 6]}.

[34 + 4 - 6] = 32.

4 - {-22 + 32}.

{-22 + 32} = 10.

4 - 10.

4 - 10 = -6.