$0,5+3,4+8,33+78,92$
$\left(2a^2+7a+7\right)^2$
$\frac{d}{dx}xy+x^2y^2=6$
$\frac{d}{dx}2x-1$
$-5\left(\frac{125}{-25}\right)+\left(100\:-1\right)$
$log\left(3x\right)=log2+log\left(x-1\right)$
$2\int_0^{\pi}\left(xsin\left(x\right)\right)dx$
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