А1/4 - 1/5 = 5/20 - 4/20 = 1/27/9 - 1/4 = 28/36 - 9/36 = 19/32/3 - 1/7 = 14/21 - 3/21 = 11/22/3 - 2/11 = 22/33 - 6/33 = 16/33
б1/3 + 1/6 + 1/18 = 6/18 + 3/18 + 1/18 = 10/18 = 5/1/12 + 1/6 + 3/4 = 1/12 + 2/12 + 9/12 = 12/12 = 1/20 + 1/4 + 2/5 = 1/20 + 5/20 + 8/20 = 14/20 = 7/11/4 + 2/25 + 3/100 = 25/100 + 8/100 + 3/100 = 36/100 = 9/25
в1 = 7/7 + 0/7 = 1/7 + 6/7
А
1/4 - 1/5 = 5/20 - 4/20 = 1/2
7/9 - 1/4 = 28/36 - 9/36 = 19/3
2/3 - 1/7 = 14/21 - 3/21 = 11/2
2/3 - 2/11 = 22/33 - 6/33 = 16/33
б
1/3 + 1/6 + 1/18 = 6/18 + 3/18 + 1/18 = 10/18 = 5/
1/12 + 1/6 + 3/4 = 1/12 + 2/12 + 9/12 = 12/12 =
1/20 + 1/4 + 2/5 = 1/20 + 5/20 + 8/20 = 14/20 = 7/1
1/4 + 2/25 + 3/100 = 25/100 + 8/100 + 3/100 = 36/100 = 9/25
в
1 = 7/7 + 0/7 = 1/7 + 6/7