/ 2 2 \
(a + b + c)*(b + c - a)*\(a + b + c) + (b + c - a) + (a + b + c)*(b + c - a)/
$$\left(- a + b + c\right) \left(a + b + c\right) \left(\left(- a + b + c\right)^{2} + \left(- a + b + c\right) \left(a + b + c\right) + \left(a + b + c\right)^{2}\right)$$
(a + b + c)*(b + c - a)*((a + b + c)^2 + (b + c - a)^2 + (a + b + c)*(b + c - a))
Рациональный знаменатель
[src] / 2 2 \
(a + b + c)*(b + c - a)*\(a + b + c) + (b + c - a) + (a + b + c)*(b + c - a)/
$$\left(- a + b + c\right) \left(a + b + c\right) \left(\left(- a + b + c\right)^{2} + \left(- a + b + c\right) \left(a + b + c\right) + \left(a + b + c\right)^{2}\right)$$
Объединение рациональных выражений
[src]/ 2 \
\(b + c - a) + 2*(b + c)*(a + b + c)/*(a + b + c)*(b + c - a)
$$\left(2 \left(b + c\right) \left(a + b + c\right) + \left(- a + b + c\right)^{2}\right) \left(- a + b + c\right) \left(a + b + c\right)$$
/ 2 2 \
(a + b + c)*(b + c - a)*\(a + b + c) + (b + c - a) + (a + b + c)*(b + c - a)/
$$\left(- a + b + c\right) \left(a + b + c\right) \left(\left(- a + b + c\right)^{2} + \left(- a + b + c\right) \left(a + b + c\right) + \left(a + b + c\right)^{2}\right)$$
/ 2 2 \
(a + b + c)*(b + c - a)*\(b + c - a) + (c + a + b) + (a + b + c)*(b + c - a)/
$$\left(- a + b + c\right) \left(a + b + c\right) \left(\left(- a + b + c\right)^{2} + \left(- a + b + c\right) \left(c + a + b\right) + \left(b + a + c\right)^{2}\right)$$
4 4 4 2 2 2 2 3 3 2 2 2
- a + 3*b + 3*c - 2*a *b - 2*a *c + 12*b*c + 12*c*b + 18*b *c - 4*b*c*a
$$- a^{4} - 2 a^{2} b^{2} - 4 a^{2} b c - 2 a^{2} c^{2} + 3 b^{4} + 12 b^{3} c + 18 b^{2} c^{2} + 12 b c^{3} + 3 c^{4}$$
/ 2 2 2 \
-(a + b + c)*(a - b - c)*\a + 3*b + 3*c + 6*b*c/
$$- \left(a - b - c\right) \left(a + b + c\right) \left(a^{2} + 3 b^{2} + 6 b c + 3 c^{2}\right)$$