$45.86+258.76+0.1587+0.689+4.82$
$\lim_{x\to\pi}\left(x-\pi\right)\cos\left(x\right)$
$ax+ax$
$5\left(\sqrt{z}-3\right)^2$
$6b+7b-10$
$-5<-189-j$
$20n^2+13n+2$
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