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доведіть, що парабола, що проходить через B, C, I, I_A дотикається до описаного кола ABC.

p. s. знаю що це вже було в каналі, но може хтось знайде гарне рішення без кубік.



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доведіть, що парабола, що проходить через B, C, I, I_A дотикається до описаного кола ABC.

p. s. знаю що це вже було в каналі, но може хтось знайде гарне рішення без кубік.

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