Răspunsuri

Cel mai inteligent răspuns!
2014-08-20T16:19:40+03:00
(7√3 + √2)² = 7*7*3 +2 +2*7√3*√2=149+14√6
2(1+7√6) = 2+ 2*  7√6 = 2 + 14√6
149+14√6 - ( 2 + 14√6)=149+14√6  -2 - 14√6 =149-2=147
1 5 1
2014-08-20T17:25:16+03:00