Odpowiedź:
[tex]5 \frac{3}{4} kg - \frac{6}{10} kg - 2 \frac{3}{5} kg = 5 \frac{15}{20} kg - \frac{12}{20} kg - 2 \frac{12}{20} kg = 4 \frac{35}{20} kg - \frac{12}{20} kg - 2 \frac{12}{20} kg = 2 \frac{11}{20} kg[/tex]
Marcinowi pozostało 2 i 11/20 kg truskawek