$3x+3y+2\left(2x-y\right)$
$4sin\left(x\right)^2+4cos\left(x\right)-8sin\left(x\right)cos\left(x\right)-4$
$65\:-\:\left(-30\right)\:+\:\left(-45\right)\:-\:\left(-5\right)\:+\:40\:-\:10$
$-177\:+\:-549$
$3x-4\ge16$
$\frac{12x^3+10x^2+5x+3}{3x+1}$
$\sqrt[4]{81x^8y^4}$
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