Решение задачи 12-(9 3/7-3 5/7)

Question

Решение задачи 12-(9 3/7-3 5/7)

Answer 1

12-(9 3/7-3 5/7)=12-(6 3/7-5/7)=12-(45/7-5/7)=12-40/7=12- 5 5/7=7 -5/7=        6 7/7-5/7= 6 2/7

Answer 2

12-(9 3/7 -3 5/7)
1) 9 3/7 - 3 5/7 = 8 10/7 - 3 5/7 = 5 5/7
2) 12-5 5/7= 11 7/7- 5 5/7= 6 2/7
Ответ: 6 2/7