1/1 6/8 3/5 10/12 = 5/6 1/3 6/9=2/3 3/5 8/10= 4/5 7/96/9= 2/34/8= 2/4=1/210/16=5/68/10=4/5 8/10=4/510/213/50 ( делила на 20)
1/1
6/8
3/5
10/12 = 5/6
1/3
6/9=2/3
3/5
8/10= 4/5
7/9
6/9= 2/3
4/8= 2/4=1/2
10/16=5/6
8/10=4/5
8/10=4/5
10/21
3/50 ( делила на 20)