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COROANA!!!!CALCULATI:
a= (3v2-2v3)(3v2-2v3)-v72-(3-v2)²
a=?
v=radical


Răspuns :

(3√2-2√3)(3√2-2√3)=18-6√6-6√6+12
√72=6√2
(3-√2)²
a=19-12√6