$\int\frac{x-3}{x^2-6x+9}dx$
$\sqrt{9x^2-18+5}$
$3x\:+7y\:=5\:$
$4w^6x^2-24w^3xyz+36y^2z^2$
$x+6\le14$
$13\cdot2\cdot a\cdot b\cdot b\cdot c\cdot c\cdot c$
$\sqrt{243}$
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