Пошаговое объяснение:1) 6/5*2/3 - 3/4*2/3 = 4/5 - 1/2 = 8/10 - 5/10 = 3/10 =0,3
2) 6/5*1/2 - 2/3*1/2 = 3/5 - 1/3 = 9/15 - 5/15 = 4/15
3) 11/18 - 1/12 = 22/36 - 3/36 = 19/36
Пошаговое объяснение:1) 6/5*2/3 - 3/4*2/3 = 4/5 - 1/2 = 8/10 - 5/10 = 3/10 =0,3
2) 6/5*1/2 - 2/3*1/2 = 3/5 - 1/3 = 9/15 - 5/15 = 4/15
3) 11/18 - 1/12 = 22/36 - 3/36 = 19/36