$\frac{d}{dx}3=\frac{x+y^2}{x^2-y}$
$x^2+x^2+x+y$
$\frac{w}{-8}=7$
$\ln\sqrt[3]{\frac{1-\sin\left(x\right)}{1+\sin\left(x\right)}}$
$a^2+11a+30=0$
$\left(\left(\sqrt{2a}\right)\sqrt{2a}\right)$
$4\cdot3^2+2\cdot4^2-3\cdot4$
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