Odpowiedź :
[tex]8 \frac{3}{4} \times \frac{4}{7} \times 3 = \frac{35}{4} \times \frac{4}{7} \times 3 = \frac{5}{1} \times 1 \times 3 = 5 \times 3 = 15[/tex]
[tex]8 \frac{3}{4} \times \frac{4}{7} \times 3 = \frac{35}{4} \times \frac{4}{7} \times 3 = \frac{5}{1} \times 1 \times 3 = 5 \times 3 = 15[/tex]