Решите уравнение 19 28/34 - ( m+2 29/34)=5 5/17
19 28/34-(m+2 29/34)=5 5/17 19 28/34-m-2 29/34=5 5/17 16 33/34-m=5 5/17 -m=5 5/17-16 33/34 -m=-11 23/34 m=11 23/34 проверка 19 28/34-(11 23/34+2 29/34)=5 5/17 19 28/34-13 52/34=5 5/17 19 28/34-14 18/34=5 5/17 5 10/34=5 5/17 5 5/17=5 5/17