Question

reduceti termenii asemenea

$2x - 5y + 3x + y$
$\sqrt{2} x - \sqrt{2} y + 2\sqrt{2} x + \sqrt{2}y$
$- 2 + 2a - 3b - a + b$
$a + b - 1 - \frac{1}{2}a - \frac{1}{2}b + 1$
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Answer 1

sper ca te am ajutat :)