Images A X B 2 C

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A x b 2 c. A2-b2. (A+B)2 примеры. (A+B)(a2-ab+b2). (A-B)^2=(B-A)^2.
A2-b2. (A+B)2 примеры. (A+B)(a2-ab+b2). (A-B)^2=(B-A)^2.

See also