Question

Tính 

\(\frac{5\times4^{15}-9^9-4\times3^{20}\times8^9}{5\times2^9\times6^{19}-7\times2^{29}\times27^6}\)

Answer 1

\(\frac{5\times4^{15}-9^9-4\times3^{20}\times8^9}{5\times2^9\times6^{19}-7\times2^{29}\times27^6}\)

\(=\frac{2^{29}\times3^{18}\times\left(2\times5-3\right)}{2^{28}\times3^{18}\times\left(5\times3-7\times2\right)}=2\)

Answer 2

mik tính  ra 2

Answer 3

tính \(\frac{2012.2013-1}{2012^2+2011}\)