$y^2+24x-168=0$
$\cos\left(0.98\right)$
$\sin\left(0.0099\right)$
$\left(10\right).\left(+6\right):\left(-12\right)$
$-4x+4=-2x-6$
$-3+1+4$
$\frac{-x^4-x^2+7}{x^3+x^2+4x+4}$
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