Photos А1 А2 В1 В2

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А1 а2 в1 в2. 2 1/3+1 2 2/3-2 1/3+1. (A B)^2= AA ab ab BB. 1/2+1/3. Прямые a = 2 и b = 4.
2 1/3+1 2 2/3-2 1/3+1. (A B)^2= AA ab ab BB. 1/2+1/3. Прямые a = 2 и b = 4.

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