Question

Expressões -3+[2--(4--5)]=

Answer 1

- 3 + [ 2 - ( 4 - 5 ) ]

- 3 + ( 2 - 4 + 5 )

- 3 + ( 2 + 1 )

- 3 + ( 3 )

- 3 + 3

= 0