$\int\:\frac{3x^2+3x+1}{x^3+2x^2+2x+1}dx$
$10c+9=119$
$196c^4-121a^6c^6$
$y'=\frac{x-y}{2}$
$5^0+4^2-2^3$
$27m^3+64n^9$
$8x^4-\:4^{3\:}2x$
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