(x/2)/2
(x%2)
-1(4x-1)
2^2z/2y=x^2
x-(x/2)
log(x²)(6x+16)=1
logx² (6x+16)=1
$\infty$ $\pi$ $$\begin{bmatrix} a & b \\\\ c & d \end{bmatrix}$$ $\infty$
