Question

9 la puterea 7+9 la puterea 6+9 la puterea 5
Plsss am mare nevoie! Dau coroana!!!

Answer 1

Răspuns:

$9 {}^{7} + 9 {}^{6} + 9 {}^{5} = \\ {9}^{5} \times (9 {}^{2} + 9 {}^{1} + 1) = \\ {9}^{5} \times 91 = 59049 \times 91 = 5,373,459$

Sincer nu cred ca e bine..