$y=\cos\left(3x\right)-\frac{1}{x}$
$\left(-3\right)\left(2\right)\left(-1\right)+6$
$5d+5$
$2314,21+281,982$
$5f-8+6f-6$
$\frac{2}{3}x<1$
$-4x^3+x^3+x^3-6y^3+y^3+4y^3-3$
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