Question

- 5² + { 3 ÷ ( - 6 - 2 + 15 ] }​

Answer 1

Resposta:

$\sf{- 5² + { 3 ÷ ( - 6 - 2 + 15 ] }}$

$\sf{ - 25 + (3 \div ( - 6 - 2 + 15))}$

$\sf{ - 25 + (3 \div 7)}$

$\sf{ - 25 + \frac{3}{7} }$

$\rightarrow \boxed{\sf{ - \frac{172}{7} }}$

Explicação passo-a-passo:

(espero ter colaborado)

Answer 2

$- {5}^{2} + (3 \div ( - 6 - 2 + 15)) \\ = - (5 \cdot5) + (3 \div ( - 8 + 15)) \\ = - 25 + (3 \div 7) \\ = - 25 + \frac{3}{7} \\ = - \frac{175}{7} + \frac{3}{7} \\ = \bf - \frac{172}{7}$