ХОтвет:

Пошаговое объяснение:

В. 24/120=1/5

Е. 3/2×4/3×5/4×6/5=360/120=3;

З. 111/5×2/3=222/6

222/6×2/37=222/111=2

30/7×56/135= 48/27;

48/27×27/8=6

252/11×25/28=9/11×25/1=225/11;

225/11×6=1350/11=122 8/11