Odpowiedź:
2a² * (-3) ab = -6a³b
[tex]\frac{5}{6} xy * 6 * x^{2} y^{4} = 5x^{3}y^{5}[/tex]
0,2*(-5)a²c*6bc = 1a²c*6bc = 6a²bc²
[tex]-4*pr^{3}*\frac{1}{2}p = -2p^{2}r^{3}[/tex]
7 * (-x) * (-x) * x = 7x³
