$2\sin\frac{11\pi}{12}\cos\frac{11\pi}{12}$
$-d+2\left(-2d-5\right)$
$x^2-34x+269$
$\left(2y\:+\:5\right)^3$
$10a^2+10-20$
$\frac{2x-1}{\frac{1}{x+1}}$
$\left(3x+5x^2-4y^2\right)^2$
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