5 supra√7-√2 + 2 supra 3+√7 = rationalizam
[5(√7+√2)]/(7-2) + [2(3-√7)]/(9-7) =
(5√7+5√2)/5 + (6-2√7)/2 = simplificam
√7+√2+3-√7 = 3+√2
poza
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