łamigłówki
Brakująca liczba to?
Brakująca liczba to: 16
Bo:
(1 + 1) x (1 + 1) = 2 x 2 = 4
(1 + 2) x (1 + 2) = 3 x 3 = 9
i
(1 + 3) x (1 + 3) = 4 x 4 = 16
Bo:
(1 + 1) x (1 + 1) = 2 x 2 = 4
(1 + 2) x (1 + 2) = 3 x 3 = 9
i
(1 + 3) x (1 + 3) = 4 x 4 = 16
