Ответ Автор - anoshechkina777 1. 2 4/9+x= 3 7/9 x= 3 7/9 - 2 4/9 x= 1 3/92.3 5/7 - x= 1 1/7x= 1 1/7+ 3 5/7x= 4 6/73.x+ 1 2/5 = 2 3/5x= 2 3/5- 1 2/5 x= 1 1/5