$300\left(\frac{1}{1}\right)\left(\frac{4}{1}\right)\left(\frac{2}{0.001}\right)\left(0.001\right)$

$x+6>=9$

$\frac{x^2+5x}{3x+6}$

$7x^4+2y\:+\:3x^5-y$

$\lim_{x\to\infty}\left(\sqrt{9x+10}-\sqrt{9x-10}\right)\cdot\sqrt{x}$

$\int\left(\frac{1}{\left(x^2\sqrt{4x+1}\right)}\right)dx$

$\lim_{x\to\infty}\left(\frac{1}{x^{\frac{1}{x}}}\right)$