$2.20+2.20+2.20+2.20+2.20+2.20+3.90+3.90+3.90+3.90+3.90$
$\frac{32x^2-2}{4x+1}$
$x^2+6x=3$
$tan\:t\:-csc\:t$
$-150\cdot20$
$x^2-5x+6\ge0$
$\left(3x^2-4y^3\right)^4$
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