Question

Tính : 15^30/45^15

Answer 1

\(\frac{15^{30}}{45^{15}}=\frac{\left(3.5\right)^{30}}{\left(9.5\right)^{15}}=\frac{3^{30}.5^{30}}{9^{15}.5^{15}}=\frac{3^{30}.5^{30}}{3^{2.15}.5^{15}}=\frac{3^{30}.5^{30}}{3^{30}.5^{15}}=5^{15}\)

Answer 2

@@ đấy là tính máy tính

\(\frac{15^{30}}{45^{15}}=\frac{\left(15^2\right)^{15}}{45^{15}}=\frac{225^{15}}{45^{15}}=5^{15}\)