Выполните действия 12 4/11-(3 7/11+2 6/11)
1) 3 7/11+2 6/11=6 2/11 2) 12 4/11-6 2/11=6 2/11
1) 3 7/11 + 2 6/11 = 5 13/11 = 6 2/11
2) 12 4/11 - 6 2/11 = 6 2/11