$3x^2-2x-1$
$1-2sin^2\left(105\right)$
$\frac{6\sin\left(x\right)+3\tan\left(x\right)}{\tan\left(x\right)}$
$31\cdot\left(-52\right)$
$3^3+6^2+2^3$
$7x-\:1\le10x+4$
$\left(\frac{1}{3}x^4+y\right)^3$
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