Участник:Vooon/int
<math>\int f_{(x)} dx</math>
<math>\int \sin{(3 \ln{x})} dx</math>
<math>\int \frac{3x+1}{x^2(x^2+4x+13)} dx</math>
<math>\int f_{(x)} dx</math>
<math>\int \sin{(3 \ln{x})} dx</math>
<math>\int \frac{3x+1}{x^2(x^2+4x+13)} dx</math>