$\left(200\:-\:30.2\right).6\:-\:3$
$x^2+11x+3$
$2\:csc\left(x\right)=\frac{\sin\left(x\right)}{1+\cos\left(x\right)}+\frac{1+\cos\left(x\right)}{\sin\left(x\right)}$
$x^2+23x-57$
$\sqrt{4^{-2x+6}}$
$\int\left(3-x^2\right)^3\left(2x\right)dx$
$y^2+2y=4x^4$
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