Question

Помогите пж дам 15б​

Answer 1

Ответ:

3 4/5 : 5 7/10 = 19/5 : 57/10 = 19/5 · 10/57 = ⅔ ;

2 ⅔ : 1 7/9 = 8/3 : 16/9 = 8/3 · 9/16 = ³/² = 1 ½ = 1,5 ;

6 5/9 : 6 4/19 = 59/9 : 118/19 = 59/9 · 19/118 = 1/9 · 19/2 = 19/18 = 1 1/18 .