giúp mik vs mik cần gấp

`Answer.`

`20)(sqrt{10^5})/(sqrt{2^3 .3^5})`

`=(sqrt{10^4 .10})/(sqrt{2^2 .3^4 .2.3})`

`=(10^2sqrt10)/(2.3^2 .sqrt{2.3})`

`=(100sqrt{2.5})/(18.sqrt{2.3})`

`=(50sqrt5)/(9sqrt3)`

`=(50sqrt15)/(27)`