 
 <translate> Lambobin harafi 3 = 26 ^ 3; Lambobin harafi 4 = 26 ^ 4; Lambobin harafi 5 = 26 ^ 5; Jimlar = 26 ^ 3 + 26 ^ 4 + 26 ^ 5 = 26 ^ 3 (a cikin 1 + 26) + 26 ^ 5 = 26 ^ 3 * 27 + 26 ^ 5. Amsar ƙarshe: (D). <yor> Awọn koodu lẹta mẹta = 26^3; Awọn koodu lẹta mẹrin = 26^4; Awọn koodu lẹta 5 = 26 ^ 5; Apapọ = 26^3 + 26^4 + 26^5 = 26^3 ((1+26) + 26^5 = 26^3*27 + 26^5. Ìdáhùn tó péye: (D). 