ответ: a) 2/4 = 18/36 = 6/12
b) 3/4 = 36/48 = 9/12
c) 6/15 = 24/60 = 2/5
d) 10/15 = 30/45 = 6/9
e) 4/5 = 64/80 = 8/10
f) 6/10 = 24/40 = 3/5
Пошаговое объяснение:
