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ДимаКаплин
@ДимаКаплин
August 2022
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Выполните действие: 2a/a-b+2a/a+b
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ekkermasa
Это дроби с разными знаменателямм, найдем общий:
(2а*(а+б)+2а*(а-б)):(а-б)*(а+б)=
(2а^2+2аб+2а^2-2аб): (а-б)*(а+б)=
(4а^2):(а^2-б^2)
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Answers & Comments
(2а*(а+б)+2а*(а-б)):(а-б)*(а+б)=
(2а^2+2аб+2а^2-2аб): (а-б)*(а+б)=
(4а^2):(а^2-б^2)