Răspuns:
(2^80 + 2^5 • 3^5 • 3^7 + 2^9) : [2^80 + (2^12 • 3^12) : 2^7 + 2^9] =
[2^80 + 2^5 • (3^12 + 2^4)] : [2^80 + 2^5 • (3^12 + 2^4] =
1