Question

calcule:
Se der com contas.

-5-{(-5)² -(-2-√9) . 5} : 10

Answer 1

*=(voi representar o expoente 2)
/=(voi representar a rais)
-5-{(-5)*-(-2-/9).5}÷10
-5-{25-(-5).5}÷10
-5-{25+5.5}÷10
-5-{25+25}÷10
-5-50÷10
-5-5
-10