d) = (5³)³ :5⁷ +( 8²)² :8³ = 5⁹⁻⁷ + 8⁴⁻³ = 5²+8 = 25+8 = 33
h) = (12²)⁴⁰ : 12⁷⁹ - 2² * 3 = 12⁸⁰⁻⁷⁹ - 4 * 3 = 12 - 12 = 0
