Сократите дробь, используя признаки делимости: 12/51, 4/26,10/90,35/45,15/93,30/42,33/39,45/51,12/60,50/100,15/95,33/48,63/108,34/82,105/200.
12/51 |:3 =4/17 4/26 |:2 =2/13 10/90 |:10 =1/9 35/45 |:5 =7/9 15/93 |:3 =5/31 30/42 |:6 =5/7 33/39 |:3 =11/13 45/51 |:3 =15/17 12/60 |:12 =1/5 50/100 |:50 =1/2 15/95 |:5 =3/19 33/48 |:3 =11/16 63/108 |:9 =7/12 34/82 |:2 =17/41 105/200 |:5 =21/40
все спасибо