$3\sqrt{27+54}-5\sqrt{32+64}+7\sqrt{49-3\left(4\right)^2}$
$\left(\csc\left(b\right)+\cot\left(b\right)\right)^2$
$3x\left(-3x^2y\right)$
$\left(\sqrt{23}+x^3\right)^2$
$+2+7-10$
$\int_0^1\left(\pi\left(4+x^7\right)^2\right)dx$
$\left(3x^3-2y^3\right)^3$
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