Question

\(\dfrac{2^{27}.9^4}{6^3.8^3}\)

\(\dfrac{8^{10}+4^{10}}{8^4+4^{10}}\)

tính

Answer 1

a: \(=\dfrac{2^{27}\cdot3^8}{2^3\cdot3^3\cdot2^{24}}=3^5\)

b: \(=\dfrac{2^{30}+2^{20}}{2^{12}+2^{20}}=\dfrac{2^{20}\left(2^{10}+1\right)}{2^{12}\left(1+2^8\right)}=\dfrac{2^8\cdot1025}{257}\)