Удача и деньги (8-9 классы)
6 months ago 00:19:15 4
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6 months ago 00:24:09 6
6 months ago 00:30:08 1
![Старейшая нерешённая задача [Veritasium]](https://sun9-27.userapi.com/HwNc9xdS0TRu8_hZ-mrB_7LUwdOGk1J_iW9s9w/4ElXyv6mPLY.jpg)
6 months ago 01:10:02 1
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