$\int8x^7e^{9x^8}dx$
$\int sen^3\:\frac{x}{2}\:cos^5\:\frac{x}{2}dx$
$x^2+11x-7=0$
$1+2+3+4+5+6$
$7abc^2-3ab^2c+4abc^2-8abc^2-5abc^2-4ab^2c+abc$
$\int\sqrt[3]{7x+4}dx$
$sin\:3d\:cos\:2d$
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