Răspuns :
81 ¹² +9²⁴ =(3⁴)¹²+(3²)²⁴=3⁴⁸+3⁴⁸=2·3⁴⁸ 27 ¹⁵+3 ⁴⁵=(3³)¹⁵+3⁴⁵=3⁴⁵+3⁴⁵=2·3⁴⁵
cmmmc=2·3⁴⁸
cmmmc=2·3⁴⁸
81¹²+ 9²⁴= (3⁴)¹²+ (3²)²⁴ (27)¹⁵+ 3⁴⁵= (3³)¹⁵+ 3⁴⁵
= (3)⁴⁸+ (3)⁴⁸ =3⁴⁵ + 3⁴⁵
= (3)⁴⁸ ·1+ (3)⁴⁸·1 =3⁴⁵· 1 +3⁴⁵· 1
= (3)⁴⁸·(1+ 1) =3⁴⁵·( 1+ 1)
= (3)⁴⁸· 2 =3⁴⁵· 2
81¹²+ 9²⁴ =(3)⁴⁸· 2
(27)¹⁵+ 3⁴⁵=3⁴⁵· 2
[ ............]=3⁴⁸· 2
= (3)⁴⁸+ (3)⁴⁸ =3⁴⁵ + 3⁴⁵
= (3)⁴⁸ ·1+ (3)⁴⁸·1 =3⁴⁵· 1 +3⁴⁵· 1
= (3)⁴⁸·(1+ 1) =3⁴⁵·( 1+ 1)
= (3)⁴⁸· 2 =3⁴⁵· 2
81¹²+ 9²⁴ =(3)⁴⁸· 2
(27)¹⁵+ 3⁴⁵=3⁴⁵· 2
[ ............]=3⁴⁸· 2