$8+7-11.1-2.4+6-17-9+3$
$-475\:+\:-475+-475$
$\left(0+\frac{2i}{n}\right)\left(0+\frac{2i}{n}\right)$
$5-6-2-1-8-3+6+5$
$-x+3y=5$
$\:4-x<\:8$
$\int cot^5xcsc^2xdx$
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