(1/3+0,75)÷2/3+5/13= ПОМОГИТЕ ПОЖАЛУЙСТА
(1/3 + 0,75) : 2/3 + 5/13 = 2 1/104,
1) 1/3 + 0,75 = 1/3 + 3/4 = 4/12 + 9/12 = 13/12 = 1 1/12,
2)1 1/12 : 2/3 = 13/12 * 3/2 = 39/24 = 1 15/24,
3) 1 15/24 + 5/13 = 39/24 + 5/13 = 507/312 + 120/312 = 627/312 =
= 209/104 = 2 1/104