Замените целые числа 8,19,3,20,1,10,11,100 дробями со знаменателями 15,9,30,12.

8=120/15, 72/9, 240/30, 96/12;

19=285/15, 171/9, 570/30, 228/12;

3=45/15, 27/9, 90/30, 36/12;

20=300/15, 180/9, 600/30, 240/12;

1=15/15, 9/9, 30/30, 12/12;

10=150/15, 90/9, 300/30, 120/12;

11=161/15,99/9, 330/30, 131/12;

100=1500/15, 900/9, 3000/30, 1200/12

Удачи!)