$12,63+8,59-3,009$
$3\:\sin\left(x\right)\:+\:4\:\cos^2\left(x\right)\:=\:3+\cos\left(x\right)^2$
$\left(2x\:+\:2\right)\:-\:\left(3x\:+\:11\right)$
$\sqrt{27\cdot c^6}$
$\left(x^3+7\right)\left(x^3-12\right)$
$-11x^4y^3\left(-7x^5y^5\right)$
$x'=x+t$
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