1/3-1/9=3/9-1/9=2/9
10/21-1/3=10/21-7/21=3/21=1/7
14/15-3/5=14/15-9/15=5/15=1/3
Пошаговое объяснение:
1/3 - 1/9 = 3/9 - 1/9 = 2/9.
10/21 - 1/3 = 10/21 - 7/21 = 3/21 = 1/7.
14/15 - 3/5 = 14/15 - 9/15 = 5/15 = 1/3
Вот
1/3-1/9=3/9-1/9=2/9
10/21-1/3=10/21-7/21=3/21=1/7
14/15-3/5=14/15-9/15=5/15=1/3
Пошаговое объяснение:
1/3 - 1/9 = 3/9 - 1/9 = 2/9.
10/21 - 1/3 = 10/21 - 7/21 = 3/21 = 1/7.
14/15 - 3/5 = 14/15 - 9/15 = 5/15 = 1/3
Вот