Răspuns:
rad27=3rad3
3rad3/6rad2 = rad3/2rad2 = rad6/4
rad8=2rad2
2rad2/4rad5 = rad2/2rad5 = rad10/10
√27/6√2 = 3√3/6√2 = √3/2√2 = √6/4
√8/4√5 = √40/20 = 2√10/20 = √10/10
