Как выразить неизвестную величину? Физика. ОГЭ. ЕГЭ. Физика
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![В Вашей жизни не может быть проблем [Р. Адамс]](https://sun9-54.userapi.com/tO_qzgH-uuKUj6b_x5aP26jElFnBakh8nb94Dw/9ZpdHiRqSFQ.jpg)
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