Решите уравнение: 13/58+21/58-m=6/29 Вычислите: a)4/5+2/3; б)5/6+7/9; в)3/4-1/6; г) 7/8-5/6

13/28 + 21/58 - m = 6/29 34/58 - m = 6/29 17/29 - m = 6 /29 m = 17 / 29 - 6/29 m = 11/29 =============== 4/5 + 2/3 = 12/15 + 10/15 = 22/15 = 1  7/15 =============== 5/6 + 7/9 = 45/54 + 42/54 = 87/54 = 1  33/54 =============== 3/4 - 1/6 = 28/24 - 4/24 = 24/24 = 1 =============== 7/8 - 5/6 = 42/48 - 35/48 = 7/48