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(∛16 - ∛54 + ∛250 )³ =
Como
16 = 2*2*2*2 = 2³ * 2
54 = 2 *3*3*3 = 2 *3³
250 = 2*5*5*5 = 2 *5³
Tenemos.
(∛16 - ∛54 + ∛250)³ =
(∛(2³ * 2) - ∛ (2*3³) + ∛(2 *5³) )³ =
(2∛2 - 3∛2 + 5∛2)³ =
(7∛2 - 3∛2)³ =
(4∛2)³ =
4³ (∛2)³ =
64 * 2 =
128
Respuesta.
128