Uprav podle vzorce výraz (3 t-2 u)^{3}.
=27 t^{3}-54 t^{2} u+36 t u^{3}-8 u^{3}
=27 t^{3}-54 t^{2} u+36 t u^{2}-8 u^{4}
=27 t^{3}-54 t^{2} u+36 t u^{2}-8 u^{3}
=27 t^{3}-54 t^{2} u+36 t u^{2}-8 u^{2}