а) 3,7:3/7 = 6/14 = 9/21
б) 2,5:2/5 = 4/10 = 6/15
с) 7,11:7/11 = 14/22 = 21/33
г) 64,84:64/84 = 128/168 = 192/252
д) 75,125:75/125 = 150/250 = 225/375
а) 3,7:
3/7 = 6/14 = 9/21
б) 2,5:
2/5 = 4/10 = 6/15
с) 7,11:
7/11 = 14/22 = 21/33
г) 64,84:
64/84 = 128/168 = 192/252
д) 75,125:
75/125 = 150/250 = 225/375