Ответ Автор - dezire1 1) Х - 7 8/11 =2 5/11 Х =2 5/11 + 7 8/11 Х =10 2/11 10 2/ 11 - 7 8/11=2 5/112) 3 7/17 -(Х + 1 4/17) =1 9/17 Х+ 1 4/17 = 3 7/17 - 1 9/17 Х + 1 4/17 = 1 15/17 Х = 1 15/17 - 1 4/17 Х =11/17 3 7/17- (11/17 +1 4/17 = 1 9/17