1 6/15 - 2/5 = 1
1 6/14 - 3/7 = 1
Пошаговое объяснение:
1) 1 6/15 - 2/5 = 1
21/15 - 2/5 = 21/15 - 6/15 = 15/15 = 1
2) 1 6/14 - 3/7 = 1
1 6/14 - 3/7 = 20/14 - 6/14 = 14/14 = 1
1 6/15 - 2/5 = 1
1 6/14 - 3/7 = 1
Пошаговое объяснение:
1) 1 6/15 - 2/5 = 1
21/15 - 2/5 = 21/15 - 6/15 = 15/15 = 1
2) 1 6/14 - 3/7 = 1
1 6/14 - 3/7 = 20/14 - 6/14 = 14/14 = 1