Question

Выполни умножение: (9−1)⋅(9+1)⋅(92+1)⋅(94+1)⋅(98+1)−916+47

Answer 1

(9-1)×(9+1)×(92+1)×(94+1)×(98+1)-916+47=8×10×93×95×99-916+49=6993200-916+47=69972331