Question

$\sqrt{2} + \sqrt{2}$
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Answer 1

Răspuns:

$\sqrt{2} + \sqrt{2} =$

$= 1 \sqrt{2} + \sqrt{2} =$

$= 1 \sqrt{2} + 1 \sqrt{2} =$

$= (1 + 1) \sqrt{2} =$

$= 2 \sqrt{2}$