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(√2+√3+1)² - 2(√6+3) =?
Ajutati.ma repede


Răspuns :

(√2+√3+1)² - 2(√6+3) =
=(√2+√3+1)(√2+√3+1) - 2(√6+3)=
=2+√6+√2+√6+3+√3+√2+√3+1-2√6-6=
=√2+√3+√2+√3=
=2(√2+√3)