$\left(4x+7y\right)\left(3x+6y\right)$
$5x+5>20$
$\frac{22a^9b^{10}}{2a^2b}$
$\int_0^{\pi}\left(\cos\left(x\right)-\pi\right)dx$
$\lim_{x\to\infty}\left(\frac{x^2+x-1}{x^2+2}\right)$
$\frac{10}{13}+\frac{3}{13}$
$\left(x+y\right)^4+2\left(x^2+2xy+y^3\right)-4$
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