$4-5-6+2-2+14-23+16$
$\frac{4x+\sin\left(2x\right)}{x}$
$\frac{d}{dx}\left(t\right)\left(t+5\right)\left(t+6\right)$
$d=e^{x+1}$
$2y^2+9y-18$
$\cos\left(y\right)+\sin\left(y\right)=1$
$x^2+13x+22$
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