Предмет: Физика, автор: tolstushkaa

прямолинейное распространение света подтверждают:1)солнечные и лунные затмения 2)возникновение радуги 3)миражи в пустыне 4)вспышки молнии

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Автор ответа: natali18983

100

солнечные и лунные затмения

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1. Выполните действия:

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3) 1-3х2 –( -10х2+1,7х).

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