Question

calcule: 5 – { +3 – [(+2)² -(-5)² + 6 – √16 ]}

Answer 1

Resposta:

5 -{ +3 - [(+2)^2 - (-5)^2 + 6 - 4]}

5 -{ +3 - [4 - 25 + 6 - 4]}

5 - { + 3 - [(-19}]}

5 - { +3 + 19}

5 - {22}

-17