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Calculati:
(√5-1)²+2(1+√5)²+(√6-3)(√6+3)


Răspuns :

(√5-1)²+2(1+√5)²+(√6-3)(√6+3)=
(5-1)+2(1+5)+√6²+3²=
4+2+10+6+9=
33