Ответ Автор - krugly1981 2x + 1/1,3 = 2,5 / 0,652x + 1 ÷ 13/10 = 5/2 ÷ 13/202x + 1 × 10/13 = 5/2 × 20/132x + 10/13 = 50/132x = 50/13 - 10/132x = 40/13x = 40/13 ÷ 2x= 40/13 × 1/2x = 40/26x = 20/13x= 1целая 7/13