$3^0x$
$30\cdot37-4\cdot37$
$9-11+13+2-4-5+9$
$\frac{4-x}{5}-x\ge1+\frac{1-2x}{3}$
$\frac{1}{\pi}\int_{-\pi}^{\pi}\left(2\cos\left(nx\right)\right)dx$
$\frac{4^5+4^5+4^5+4^5}{4}$
$2x^2-4x=\:1$
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