a)
a=2⁵⁹-(2²)²⁹-(2³)¹⁹=2⁵⁹-2⁵⁸-2⁵⁷=2⁵⁷(2²-2-1)=2⁵⁷=(2³)¹⁹=8¹⁹
b=3³⁹-2x3²x(3³)¹²=3³⁹-2x3²x3³⁶=3³⁹-2x3³⁸=3³⁸(3-2)=3³⁸=(3²)¹⁹=9¹⁹
Deci: b>a sau a<b
b)
a=3⁵⁹-(3²)²⁹-5x(3³)¹⁹=3⁵⁹-3⁵⁸-5x3⁵⁷=3⁵⁷(3²-3-5)=3⁵⁷=(3³)¹⁹=27¹⁹
b=5³⁹-4x(5²)¹⁹=5³⁹-4x5³⁸=5³⁸(5-4)=5³⁸=(5³)¹⁹=125¹⁹
Deci b>a sau a<b
