$\int21dx$
$4x^2+x-14$
$3x-2<7$
$6^3+5\left(-10\right)-8$
$\left(\infty-62.4\right)^3-\left(0.20-62.4\right)^3$
$\lim_{x\to-2}\left(x^4\right)$
$\frac{\cot^2\left(x\right)}{\csc\left(x\right)}+\sin\left(x\right)$
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