Question

Tính  nhanh :

\(\frac{6^8.16^5}{2^{27}.27^3}\)

Answer 1

\(\frac{6^8.16^5}{2^{27}.27^3}\)

\(=\frac{\left(2.3\right)^8.\left(2^4\right)^5}{2^{27}.\left(3^3\right)^3}\)

\(=\frac{2^8.3^8.2^{20}}{2^{27}.3^9}\)

\(=\frac{2^{28}.3^8}{2^{27}.3^9}\)

\(=\frac{2}{3}\)

Answer 2

Ta có: \(\frac{6^8.16^5}{2^{27}.27^3}\)

=\(\frac{\left(2.3\right)^8.\left(2^4\right)^5}{2^{27}.\left(3^3\right)^3}\)

=\(\frac{2^8.3^8.2^{20}}{2^{27}.3^9}\)

=\(\frac{2^{27}.2.3^8}{2^{27}.3^8.3}\)

=\(\frac{2}{3}\)

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