Răspunsuri

Cel mai inteligent răspuns!
2014-04-10T16:16:22+03:00
O sa i iau pe bucati:
(r3+r6)^2=
3+2r18+6=
9+6r2

(r2-r3)^2=
2-2r6+3=
5-2r6

9+6r2-5+2r6=
4+6r2+2r6=
2(2+3r2+r6).

r= radical

stiu. Dar tot nu vad de unde a zis, cine a zis ca e gresit
laso asa
chiar nu las asa
chiar e corect facut.
e facut corect oricum
2014-04-10T16:19:27+03:00
=3+6+2rad18-2-3+2rad6=9+6rad2-5+2rad6=4+6rad2+2rad6