1. 2ᵃ = 16 va 3ᵇ = 9 bo‘lsa, a − b ning qiymatini toping.

2ᵃ = 16 = 2⁴, demak a = 4. 3ᵇ = 9 = 3², demak b = 2.

Javob: a − b = 4 − 2 = 2.