1. a = 2⁵⁹ - ( 2 ² ) ²⁹ - (2 ³ ) ¹⁹ = 2 ⁵⁹ - 2 ⁵⁸- 2 ⁵⁷ = 2⁵⁷· ( 2² - 2¹ -1 ) =
= 2⁵⁷· ( 4 - 2 -1 ) = 2⁵⁷ ·1 = 2⁵⁷ = ( 2³ ) ¹⁹ = 8¹⁹
b = 3³⁹ - 2·( 3² ) ·( 3 ³ ) ¹² = 3 ³⁹ - 2· 3²· 3³⁶ = 3³⁹ - 2· 3²⁺³⁶ = 3³⁹ - 2 ·3³⁸ =
= 3 ³⁸· ( 3 -2 ) = 3 ³⁸ =(3² ) ¹⁹ = 9 ¹⁹
57 = 19·3
38 =19·2
8 < 9 atunci 8¹⁹ < 9¹⁹ ; a < b
2. a = 3⁵⁹ - ( 3² ) ²⁹ - 5 ·( 3³ ) ¹⁹ = 3⁵⁹ - 3 ⁵⁸ - 5 ·3 ⁵⁷ = 3⁵⁷· ( 3² - 3 -5 ) =
= 3⁵⁷· ( 9 -3 -5 ) =3⁵⁷· 1 = 3⁵⁷