А) 2/3 = 6/9 = 18/27 = 36/54
Б) 7/4 = 14/8 = 28/16 = 56/32 = 112/64
В) 1/3 = 2/6 = 4/12 = 8/24 = 16/48 = 32/96
Г) 1/4 = 4/16 = 4/12 = 8/24 = 28/60
Д) 4/5 = 8/10 = 12/15 = 20/25 = 36/45 = 80/100
Е) 5/6 = 25/30 = 50/60 = 75/90 = 100/120
Ж) 3/8 = 9/24 = 24/72 = 300/8000
И) 25/100 = 5/20 = 1/4