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Точка E (1,5), отмеченная на координатной прямой, расположена на одинаковом расстоянии от точек D (-3) и F.
•Найдите координату точки F
•вычислите расстояние между точками D и F-
Предмет:
Математика -
Автор:
daphne51 - 5 лет назад
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Ответы 1
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1) 1,5 -(-3) = 1,5 + 3=4,5. 2) 4,5+1,5=6. 3) 6-(-3)=6+3=9
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Автор:
estebanrice - 5 лет назад
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0
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Краткий пересказ этого текста пожалуйста
Mr Smith is an old man. He's recently retired and so he's got a lot of time for travelling. He's соme to Moscow as a tourist Now he's sitting in the hotel hall and talking to Leonid Petrov, his guide.
Petrov: Is this your first visit to Moscow, Mr Smith?
Smith: Yes. But I've heard a lot about Moscow from my father. He was here before the Revolution. Moscow wasn't the capital then, was it?
Petrov: Quite right. It only became the capital in 1918.
Smith: The city has changed very much. You can hardly recognize any of the streets and squares. I don't think young people like you are member the dirty, narrow streets my father _saw in the suburbs, and in the centre, too during his visit.
Petrov: I'm afraid I don't. I wonder what you will say after you've seen our new district in the Sou th - West..
Smith: Oh, I've heard about it from a friend. He told me it was a beautiful place with wide, straight streets and many gardens. We are going there, aren,t we?
Petrov: Yes, well see it on the way to the new building of Moscow Uni versity.
Mr Smith аlsо said that he had heard a lot about the Tretyakov. Picture Gallery and would, like to see it. Leonid told him that they were planning to see the Gallery in a few days. They were also going to see towns and villages, hospitals, collective farms, museums, exhibitions and 'many 'other interesting things. Mr Smith hoped he would see several other important industrial and agricultural centres in the Soviet Union addition to Moscow.-
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