(1/2-1/3)³: (1/3-1/4)²•(3/2)² решите

1/6 = (1*2)/(6*2) = 2/12 - доп.множ.2
1/4 = (1*3)/(4*3) = 3/12 - доп.множ.3
5 5/12 = (5*12+5)/12 = 65/12
2 3/5 = (2*5+3)/5 = 13/5
2 1/4 = (2*4+1)/4 = 9/4
2 1/12 = 1 13/12
9/12 = (9:3)/(12:3) = 3/4 - сократили на 3.
Вроде так