$\left(\sqrt{20}+\sqrt{5}\right)^2+\left(\sqrt{50}-\sqrt{2}\right)^2$
$\left|567\right|$
$-6-7+7+9+75-12$
$\left(\frac{1}{2}x+\frac{4}{3}\right)^2$
$2b^2\sin^2\left(x\right)dx=dy$
$\int4ay^{3\:}dy$
$145=7x\:+5x+1$
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