Răspuns :
√(-2)²+4(1-√27)+6 (√12-1) =
rad 4+4-4rad 27+6rad 12-6 =
2+4 -4*3rad3+6*2 rad 3-6 =
2+4-12 rad3+12 rad3-6 =
6-6 = 0
rad 4+4-4rad 27+6rad 12-6 =
2+4 -4*3rad3+6*2 rad 3-6 =
2+4-12 rad3+12 rad3-6 =
6-6 = 0