Помогите решить,выполнить действие. Created by vredina34. matematika-ru

Помогите решить,выполнить действие...

LazarusDesu Это не так и сложно! Нужно чуть-чуть знать матчасть.

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Evklid61

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2a (b-a) + 2a - b (a-b) 2ab - 2a^2 +2a^2 - 2ab - ab + b^2
------------------------------- = --------------------------------------------------   =
(a-b)(b-a) (a-b)(b-a)

   -ab + b^2
= --------------
   a^2 *- b^2

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vredina34 после лета сложно вспомнить

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