Question

Найди и значение выражения 9/17•x=15/34 если х-1/2

Answer 1

Ответ:

1/3 ; 11/12  

9/17*x = 15/34

x = 15/34 : 9/17 = 15/34 * 17/9 = 5/6

1) x - 1/2 = 5/6 - 1/2 = 5/6 - 3/6 = 2/6 = 1/3

2) x + 1/12 = 5/6 + 1/12 = 10/12 + 1/12 = 11/12