Odpowiedź:
[tex]\dfrac{2}{3}*\dfrac{4}{11}=\dfrac{2*4}{3*11}=\dfrac{8}{33}\\\\\\\dfrac{6}{7}*\dfrac{3}{5}=\dfrac{6*3}{7*5}=\dfrac{18}{35}\\\\\\\dfrac{2}{5}*\dfrac{2}{3}=\dfrac{2*2}{5*3}=\dfrac{4}{15}\\\\\\\dfrac{7}{10}*\dfrac{1}{4}=\dfrac{7*1}{10*4}=\dfrac{7}{40}[/tex]
