$\frac{\left(36x^2y^7z^4\right)}{\left(12x^2y^2\right)}$

$\int5dv$

$\left(-\frac{1}{2\sqrt{2}}\right)x+\frac{1}{2}$

$y^2z^2+10myz+25m^2$

$\lim_{x\to0}\left(\frac{x}{\ln\left(x+1\right)}\right)$

$\arctan\left(-5-2\right)^3$

$\lim_{x\to0}\left(\frac{4x\cdot\cos\left(5x\right)-1}{sin\left(3x\right)-3x}\right)$