1/1, 1/2, 1/3, 1/4, 1/5,
2/1, 2/2, 2/3, 2/4, 2/5,
3/1, 3/2, 3/3, 3/4, 3/5,
4/1, 4/2, 4/3, 4/4, 4/5,
5/1, 5/2, 5/3, 5/4, 5/5
натуральные: 1/1 = 1, 2/1 = 2, 2/2 = 1, 3/1 = 3, 3/3 = 1,
4/1 = 4, 4/2 = 2, 4/4 = 1, 5/1 = 5, 5/5 = 1 - всего 10
число один: 1/1 = 1, 2/2 = 1, 3/3 = 1, 4/4 = 1, 5/5 = 1 - всего 5