Question

Tính:

\(\frac{8^{10}+4^{10}}{8^4+4^{11}}\)

Answer 1

8^10 + 4^10 / 8^4 + 4^11

= (2^3)^10 + (2^2)^10 / (2^3)^4 + (2^2)^11

= 2^30 + 2^20 / 2^12 + 2^22

= 2^20 . (2^10 + 1) / 2^12 . (1 + 2^10)

= 2^20 / 2^12

= 2^8

= 256