$\int e^{-5t}dt$
$\int_0^{\pi}cos^2xsen^4xdx$
$\left(12-3x\right)\left(y-1\right);\:x=4;\:y=3$
$6x^2-x-1=0$
$729x^3-1000y^6$
$2+5-1+5-2+2+3$
$z^2-17z+30$
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