$-215+418$
$\frac{a^4}{81}+\frac{16b^4}{256}$
$\left(2w^2+3x^5\right)^3$
$\left(b^2+b\right)+b$
$\int\:\left(4w\:-\:1\right)^3\:dw$
$-3^2+6\cdot3-8$
$\lim_{x\to0}\left(\frac{x^2+456x}{8senx}\right)$
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