А)1 1/5: 2 б)2 2/5: 3 в)9: 2 1/4 г)3 1/7: 2 д)2: 5 1/3 е)2 4/5: 7 много

А)1 1/5:2 =6/5*1/2=3/5;/// б)2 2/5:3=12/5*1/3=4/5; в)9:2 1/4=9/1*4/9=1/4; г)3 1/7:2=22/7*1/2=11/7=1 4/7;/// д)2:5 1/3 =2/1*3/16=3/8; е)2 4/5:7=14/5*1/7=2/5

1 1/5 : 2 = 6/5 * 1/2 = 3/5
2 2/5 : 3 = 12/5 * 1/3 = 4/5
9 : 2 1/4 = 9 * 4/9 = 4/1 = 4
3 1/7 : 2 = 22/7 * 1/2 = 11/7 = 1  4/7
2 : 5 1/3 = 2/1 : 16/3 = 2/1 * 3/16 = 3/8
2 4/5 : 7 = 14/5 * 1/7 = 2/5