Răspunsuri

2014-09-20T16:17:42+03:00
(√27-2√3+√5)(√125+√3-6√5)= (3√3-2√3+√5)(5√5+√3-6√5) = (√3+√5)(√3-√5)= (√3)²- (√5)²
= 3-5= -2. 
2014-09-20T17:31:33+03:00