Anonimviz Anonimviz Matematyka Rozwiązane plis pomocy Oblicz. a) 5/8 ⋅ 3/20 = ________ b) 12/25 ⋅ 5/9 = ________ c) 6/13 ⋅ 20/21 ⋅ 7/10 = ______