Question

[Anh Quân Nguyễn]

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

Answer 1

[HT.Phong (9A5)]

\(\dfrac{8^{10}+4^{10}}{8^4+4^{11}}\\ =\dfrac{\left(2^3\right)^{10}+\left(2^2\right)^{10}}{\left(2^3\right)^4+\left(2^2\right)^{11}}\\ =\dfrac{2^{3\cdot10}+2^{2\cdot10}}{2^{3\cdot4}+2^{2\cdot11}}\\ =\dfrac{2^{30}+2^{20}}{2^{12}+2^{22}}\\ =\dfrac{2^{20}\cdot\left(2^{10}+1\right)}{2^{12}\cdot\left(2^{10}+1\right)}\\ =\dfrac{2^{20}}{2^{12}}\\ =2^{20-12}\\ =2^8\\ =256\)

Answer 2

[Ahyeon Jung]

hình như là gạch 8 và 4 rồi cộng số mũ