Odpowiedź:
[tex] \frac{1}{2} \times 2 = 1[/tex]
[tex] \frac{2}{5} \times 5 = 2[/tex]
[tex] \frac{2}{3} \times 3 = 2[/tex]
[tex] \frac{2}{7} \times 7 = 2[/tex]
[tex] \frac{4}{7} \times 7 = 4[/tex]
[tex] \frac{4}{5} \times 5 = 4[/tex]
[tex] \frac{5}{6} \times 6 = 5[/tex]
[tex] \frac{4}{9} \times 9 = 4[/tex]
Pozdrawiam serdecznie:)