Question

сократить дропь
$\frac{a {}^{2} + ab }{a + b}$
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Answer 1

$\frac{ {a}^{2} + ab}{a + b} = \frac{a(a + b)}{a + b} = a$

Ответ: а.

Answer 2

$\frac{a^{2}+ab }{a+b} = \frac{a(a+b)}{(a+b)} = a$