Images A X B 2 C

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A x b 2 c. X 2 2ab b 2. A2-b2. (A-B)^2=(B-A)^2. A 2 B 2 формула.
X 2 2ab b 2. A2-b2. (A-B)^2=(B-A)^2. A 2 B 2 формула.

See also