Суравнением.а)31/76+45/76-р=15/31; б)13/58+21/58-т=6/29

31/76 + 45/76 - р = 15/31 76/76 - р = 15/31 1 - р = 15/31 Р = 1 - 15/31 Р = 31/31 - 15/31 Р = 16/31 13/58 + 21/58 - Т = 6/29 34/58 - Т = 6/29 Т = 34/58 - 6/29 Т = 34/58 - 12/58 Т = 22/58