[(2³)⁵]⁶÷2⁸⁰ si [(7⁵)]²÷(7⁴)²⁰​

Răspuns :

Răspuns:

[(2^3)^5]^6:2^80=2^3×5×6:2^80=2^90:2^80=2^90-80=2^10;