Răspunsuri

2014-10-19T18:58:57+03:00
4+9-6+3√6+1+6=14+3√6
Am gresit.
E 4+9-6-3√6+1+6=14-3√6
Scuze pt greseala.
multumesc
2014-10-19T19:12:18+03:00
Stiind ca (√2+√3)²=2+2√6+3(ptr ca este formula )
-3(2+√6)=-6-3√6
(1+√6)²=1+2√6+6⇒
2+2√6+3-6-3√6+1+2√6+6=2+√6