Ta có: \(27=3^3\)
\(45=3^2.5\)
\(81=3^4\)
\(ƯCLN\left(27;45;81\right)=3^2=9\)
\(27=3^3 \)
\(45=3^2.5\)
\(81=3^4\)
\(\RightarrowƯCLN_{\left(27,45,81\right)}=3^2=9\)
Ta có:\(27=3^3\)
\(45=3^2.5\)
\(81=3^4\)
\(ƯCLN\)\(\left(27;45;81\right)=3^2=9\)