$\lim_{x\to0}\left(\frac{2\left(\cos\:\left(x\right)-1\right)}{x^2}\right)^{\frac{1}{x^2}}$
$22,167+23,18$
$\frac{d}{dx}x^3y^3+x=9$
$y^2-10y+49$
$-26:\left(-2\right)$
$e\left(a+b\right)+\left(\left(d\left(a+b\right)-4c\right)+b\right)+e$
$8x^2-24x-224$
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