School math olymp task in Russia

作者：Eduard

The text of the task: Given sharp angle with head point O. On one side of angle placed points A and B, OA=1, OB=5. Find point C on the other side of angle BOC, so the angle ACB is the largest.

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exterior angle theorem
Shade out inequality 2: y<5
Adventureland Task
Two Lap Average [for teachers]
Copie de Log_e Graph with transformations

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參數曲線
多邊形
數學
幾何變換
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School math olymp task in Russia

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