Images 1.2 V

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1.2 v. 2a+2b/b 1/a-b-1/a+b. 1a2+1b2. A2-16b2. A 2 B 2 формула.
2a+2b/b 1/a-b-1/a+b. 1a2+1b2. A2-16b2. A 2 B 2 формула.