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YGO 2024, 8 клас, Задача 1.

Нехай 𝐵𝐸 та 𝐶𝐹 — медіани гострокутного трикутника 𝐴𝐵𝐶. На прямій 𝐵𝐶 обрали точки 𝐾 ≠ 𝐵 та 𝐿 ≠ 𝐶 такі, що 𝐵𝐸 = 𝐸𝐾 та 𝐶𝐹 = 𝐹𝐿. Доведіть, що 𝐴𝐾 = 𝐴𝐿.

Георгій Жилінський



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YGO 2024, 8 клас, Задача 1.

Нехай 𝐵𝐸 та 𝐶𝐹 — медіани гострокутного трикутника 𝐴𝐵𝐶. На прямій 𝐵𝐶 обрали точки 𝐾 ≠ 𝐵 та 𝐿 ≠ 𝐶 такі, що 𝐵𝐸 = 𝐸𝐾 та 𝐶𝐹 = 𝐹𝐿. Доведіть, що 𝐴𝐾 = 𝐴𝐿.

Георгій Жилінський

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Two days after Russia invaded Ukraine, an account on the Telegram messaging platform posing as President Volodymyr Zelenskiy urged his armed forces to surrender. In February 2014, the Ukrainian people ousted pro-Russian president Viktor Yanukovych, prompting Russia to invade and annex the Crimean peninsula. By the start of April, Pavel Durov had given his notice, with TechCrunch saying at the time that the CEO had resisted pressure to suppress pages criticizing the Russian government. Recently, Durav wrote on his Telegram channel that users' right to privacy, in light of the war in Ukraine, is "sacred, now more than ever." "Your messages about the movement of the enemy through the official chatbot … bring new trophies every day," the government agency tweeted. He adds: "Telegram has become my primary news source."
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