11 .11 =4 (1 + 1 . 1 + 1 = 2 . 2 = 4)
22 . 22 =16(2 + 2 . 2 + 2 = 4 . 4 =16)
33 . 33 = 36(3 + 3 . 3 + 3 = 6 . 6 = 36)
Đúng hơm z bn
11 . 11 = (1 + 1 + 1 + 1) . 1 = 4
22 . 22 = (2 + 2 + 2 + 2) . 2 = 16
33 . 33 = (3 + 3 + 3 + 3) . 3 = 36
(1+1)*(1+1)=4
(2+2)*(2+2)=16
(3+3)*(3+3)=36