Nastya Q Светодиоды
2 months ago 00:26:44 1
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7 months ago 00:11:35 1
![Задача про вертолёт с канатом [Veritasium]](https://sun9-30.userapi.com/_cHmMt-OhzmQjHFSHS5QYe6NsIf2kg0iQGZoxA/eiH7uxpl1y8.jpg)
8 months ago 00:09:10 1
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