Odpowiedź :
- 1/2c * ac * 2ab = - a²bc²
C * 2ab * b - c = 2ab²c - c
2a *cb * (-b) = - 2ab²c
-a * ac * (-bc) = a²bc²
bc * 2 AB= 2ab²c
- 1/2c * ac * 2ab = - a²bc²
C * 2ab * b - c = 2ab²c - c
2a *cb * (-b) = - 2ab²c
-a * ac * (-bc) = a²bc²
bc * 2 AB= 2ab²c