ab + 3c = 3c + aa - b - c = - b - a - c = -1(b + c - a8(a + b - c) = 8a + 8b - 81/4a · 4/5b · 5/6c = 1/6abТождество: 3c + ab = - b - a - c = 8a + 8b - 8c = 1/6abc
ab + 3c = 3c + a
a - b - c = - b - a - c = -1(b + c - a
8(a + b - c) = 8a + 8b - 8
1/4a · 4/5b · 5/6c = 1/6ab
Тождество: 3c + ab = - b - a - c = 8a + 8b - 8c = 1/6abc