$0^{42}$
$7-y^3+y^3+5y^2-4y^2+y^2-2$
$20-\left(12-10\right)$
$\frac{2x^2-4x+19}{x^2+2x+1}$
$\cos\left(2x\right)\cdot\left(1-2\sin\left(x\right)\right)=0$
$2-\left(10+2\right)+\left(13-12\right)-\left(5-7\right)$
$\frac{x^6-64}{x+3}$
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