\(\frac{45^{10}.5^{20}}{75^{15}}\)
\(=\frac{45^{10}.\left(5^2\right)^{10}}{75^{15}}=\frac{45^{10}.25^{10}}{3^{15}.25^{15}}\)
\(=\frac{3^{10}.15^{10}}{3^{15}.25^5}=\frac{3^{10}.5^{10}}{5^5.5^5}\)
\(=3^{10}=59049\)
Đúng 0
Bình luận (0)