Odpowiedź:
7
[tex] \frac{1}{3} = \frac{5}{15} [/tex]
[tex] \frac{21}{35} = \frac{3}{5} [/tex]
[tex] \frac{2}{5} = \frac{10}{25} [/tex]
[tex] \frac{6}{9} = \frac{2}{3} [/tex]
[tex] \frac{18}{45} = \frac{2}{5} [/tex]
[tex] \frac{4}{8} = \frac{1}{2} [/tex]
[tex] \frac{7}{5} = \frac{56}{40} [/tex]
[tex] \frac{1}{15} = \frac{4}{60} [/tex]
8
B, C
