$\lim_{x\to0}\left(\frac{8x^2+3x}{3x}\right)$
$\frac{2x^3-5x^2+x-2}{x-1}$
$8^27$
$\int2\left(1+x+x^2\right)e^{-x}dx$
$\frac{dy}{dt}=tan4x$
$7\cos\left(w\right)-4\sin^2\left(w\right)+2$
$\sin\left(x+30\right)=0.4$
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