(3 2/14+5 1/14)-(6 12/14-4 3/14
Ответ:
5 4/7
Пошаговое объяснение:
1) 3 2/14 + 5 1/14 = 8 3/14
2) 6 12/14 - 4 3/14 = 2 9/14
3) 8 3/14 - 2 9/14 = 6 3/14 - 9/14 = 5 17/14 - 9/14 = 5 8/14 = 5 4/7
486/14
1) 32/14+51/14=83/14
2) 612/14-43/14=569/14
3)569/14-83/14=486/14