Ex 1 si celelalte daca puteti ,dar macar ex 1 , va rog mult .

4√27-5√12+3√48-2√75=
=4√3³-5√2²x3+3√4²x3-2√5²x3
=4x3√3-5x2√3+3x4√3-2x5√3
=12√3-10√3+12√3-10√3
=24√3-20√3
=4√3