Photos 1.2 ОТВЕТЫ

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1.2 ответы. .(A1-b)*(a1+b)=a^2. (2b+1)*b+1 ответ. B2-2b+1. (2b – 1)2 – (b + 2)2..
.(A1-b)*(a1+b)=a^2. (2b+1)*b+1 ответ. B2-2b+1. (2b – 1)2 – (b + 2)2..

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