Какой цилиндр скатится быстрее: сплошной или полый? Разбор задачи.
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![СТРИМ ГИТАРА, ВОКАЛ, БАРАБАНЫ 🔴 [NEKULTURA]](https://sun9-33.userapi.com/_TVCBzIfGuxQMhtKW3DvHv4d8AEAmD7SdG3BLA/kQIQRTuPrN4.jpg)
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