$3-2>-6$
$\left(\frac{1}{3}+\frac{1}{2}i\right).\left(-2+i\right)$
$xy+2y=xy^2$
$46.54-11.23$
$x'=\sqrt{x}$
$\left(-x-3y+5z\right)^2$
$7x+13=2\left(2x-5\right)+3x+23$
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