а) 7 = 28/4; 9 = 36/4; 10 = 40/4 б) 2 = 10/5; 3 = 15/5; 8= 40/5
7=7/1,а со знамен.4,будет =28/4,аналогично 9=9/1=36/4 10=10/1=40/4
б) 2=2/1=10/5 3=3/1=15/5 8=8/1=40/5
