$35.08+124.009+17.12+14.6$
$\left(sen2xsenx\:+\:cos4xcosx\right)sec2x$
$\left(x^4+y^4\right)\cdot dx-2x^3y\cdot dy=0$
$\frac{1}{x+1}\le1+\frac{2}{x-1}$
$\left(10-3m^2\right)\left(10+3m^2\right)$
$\frac{dy}{dx}\sqrt{402}$
$\int x\cdot\left(1+x\right)^{-4}$
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