по Hermes Sanchez 2 лет назад
5860
Больше похоже на это
2/3 + 3/4 = 8/12 + 9/12 = 17/12
2/9 + 5/9 = 7/9
3 X 2/3= 3/1 X 2/3 = 6/3 = 2
3 1/2 X 4/3= 7/2 X 4/3 = 28/6
2/3 X 4/7 = 8/21
6/5 X 4/4=24/20
2 1/2
5/3, 5/5
2/5
3 X 2/3= 3/1 X 2/3 = 9/2
3 1/2 X 4/3= 7/2 X 4/3 = 21/8
2/3 X 4/7 = 14/12