$x^2-8x+10\ge-5$
$32+-856$
$\left(a^2b+k\right)^3$
$5\:sen\:\left(x\right)-\:7\:=\:-\:6$
$\left(9a-8\right)\left(9a+8\right)=81a^2+16$
$\log\left(x\right)+5.8=4.43$
$\lim_{x\to2\pi}\left(\frac{sin\left(x\right)}{1-cos\left(x\right)}\right)$
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