Images 3.2 M

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3.2 m. X2-2ab+b2. A2-b2. (A-B)^2=(B-A)^2. A 2 B 2 формула.
X2-2ab+b2. A2-b2. (A-B)^2=(B-A)^2. A 2 B 2 формула.

See also