Images Y 2 1 X B

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Y 2 1 x b. 2a+2b/b 1/a-b-1/a+b. 1a2+1b2. A^2b^2 - 16. A 2 B 2 формула.
2a+2b/b 1/a-b-1/a+b. 1a2+1b2. A^2b^2 - 16. A 2 B 2 формула.

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