Question

99:(45–39+5)-25:5= ?

Answer 1

$\frac{99}{(45-39+5)}-\frac{25}{5}$

solve the parenthesis

$\frac{99}{11}-\frac{25}{5}$

simplify

$\begin{gathered} \frac{\frac{99}{11}}{\frac{11}{11}}-\frac{\frac{25}{5}}{\frac{5}{5}} \\ \\ \\ \frac{9}{1}-\frac{5}{1} \\ \\ 9-5=4 \end{gathered}$

solution is 4