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Автор - ktoli17

сократить дропь
 frac{a {}^{2} + ab }{a + b}

Ответ

Автор - QDominus

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

Ответ: а.

Ответ

Автор - тамир000

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

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