$2^{-1}>3^{-1}$
$\left(7-q\right)^2$
$\:y'=3-2y$
$\left(+9.3\right)+\left(-3.1\right)$
$25.\left(-98\right)$
$\int\left(3+\cos x\right)dx$
$\frac{x^5+1^5}{x+1}$
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