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snowangel1103


$1/ \int\limits_{0}^{\pi}\frac{xsinx}{1+2cos2x}dx$
$2/ \int\limits_{0}^{\pi/2}\frac{cos^2x}{3sinx+4cosx}dx$
$3/ \int\limits_{1}^{e}\frac{1+x^2lnx}{x+x^2lnx}dx$
$2/ \int\limits_{0}^{\pi/2}\frac{cos^2x}{3sinx+4cosx}dx$
$3/ \int\limits_{1}^{e}\frac{1+x^2lnx}{x+x^2lnx}dx$
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