Ответ:

Пошаговое объяснение:

а) 6/25 / 9/5=6/25*5/9=2/5*1/3=2/15

б)6 2/3 / 1 1/8 = 20/3*8/9=160/27

в)8/27 / 8/9=8/27*9/8=1/3*1/1=1/3

г)57/1 / 19/24 = 57/1*24/19=3/1*24/1=72

д)68/7 / 55/28 = 68/7 * 28/55 = 68/1*4/55 = 272/55

е)36/47 / 18/1 = 36/47 * 1/18 = 2/47*1/1=2/47

ж)2/5 / 1/3=2/5*3/1 = 6/5

з)11/3 / 11/9 = 11/3 * 9/11 = 1/1*3/1 = 3