14Jan

(3а-4)^2-9a^2 преобразовать

(3а-4)^2-9a^2 преобразовать

Posted by 029340 | Posted at Jan 14, 2014 | Categories: Математика

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амамам
амамам

9а^2-24а+16-9а^2=-24а+16

Jan 14, 2014 16:49

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