$3x+2y+9x+8y$
$-35+24a=6a-35$
$44+3.4+132.4-24.8$
$y\cos\left(2x\right)+\sin^2\left(x\right)=\pi$
$\sin^2\left(u\right)+1$
$\lim_{x\to1}\left(\sqrt{x-1}\right)$
$-\frac{x}{\left(1+x\right)^2}$
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