$\int\frac{x}{2x^{2}+x-1}dx$
$\lim_{x\to4}\left(\frac{\sqrt{x}-2}{x^2-64}\right)$
$sqrt\left(100\cdot x^2+200\cdot x+100\right)$
$4\left(3w+5\right)+4$
$m^2+17+49$
$3\log_a\left(2\right)+\frac{1}{2}\log_a\left(25\right)$
$\sqrt{\left(3-0\right)^2+\left(-2-4\right)^2}$
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