85/10 - 1/3 = 225/30 - 10/30 = 215/30 = 7 1/6
4 1/9 + 1,8 = 37/9 + 18/10 = 370/90 + 162/90 = 532/90 = 5 82/90 = 5 41/45
1/9*0,12 = 1/9*12/100 = 12/900 = 2/150 = 1/75
6/7:0,6 = 6/7:6/10 = 6/7*10/6 = 10/7 = 1 3/7
Пошаговое объяснение:
85/10 - 1/3 = 225/30 - 10/30 = 215/30 = 7 1/6
4 1/9 + 1,8 = 37/9 + 18/10 = 370/90 + 162/90 = 532/90 = 5 82/90 = 5 41/45
1/9*0,12 = 1/9*12/100 = 12/900 = 2/150 = 1/75
6/7:0,6 = 6/7:6/10 = 6/7*10/6 = 10/7 = 1 3/7
Пошаговое объяснение: