2 1/7 : 1 11/14= 3 3/5 : 1 11/25= 2 3/23 : 7 21/46= 2 47/49 : 12 3/7= ПОМОГИТЕ ПОЖАЛУЙСТА!!!
1. 2 1/7 : 1 11/14 = 15/7 : 25/14 = 15/7 * 14/25 = 210/175 = 1,2 2. 3 3/5 : 1 11/25 = 18/5 * 25/36 = 450/180 = 2,5 3. 2 3/23 : 7 21/46 = 49/23 * 46/343 = 2254/ 7889 = 0,3 4. 2 47/49 : 12 3/7 = 145/49 * 7/87 = 1015/4263 = 0,2