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электронные часы показывают время от 00:00 до 23:59 и играют некоторую мелодию, когда сумма цифр в четырех ячейках равна 10. Сколько раз будет звучать мелодия между 17:18 и 20:18?
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Предмет:
Математика -
Автор:
godiva - 6 лет назад
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Ответы 1
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6 раз 17-20 18-01 18-10 19-00 20-08 20-17
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Автор:
libertyhuffman - 6 лет назад
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0
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Переведите срочно надо. Спасибо)
At the Library
Our Town Library named after Maksim Gorkiy is a nice three-storeyed building in
the centre of Pyatigorsk. A few words about the library. There is a catalogue area on
the first floor. The cloak-roo
coats off. The catalogue area is a large room with many shelves and catalogue cards.
m is on the ground floor where the readers take their
Here you can get all the information about the books and the authors (the class mark,
the name of the publishing house, etc.). It is important to know the class mark
because it tells the librarian where to look for the book.
There are various catalogues: the author catalogue, the classified catalogue,
periodicals, etc. If you want to find the book and you know the author, you go to the
author catalogue. If you want to see what the library has on the subject, you go to the
classified catalogue.
I usually find the necessary catalogue card with the class mark of the book, fill the
request slip (form), hand it to the librarian on duty at the issue desk and go to the first
floor to the Current Periodicals area. It is a large room where many readers are sitting
and reading newspapers and magazines.
Some of them are reading thick monthly magazines and some are reading weakly
magazines (weeklies). Many scientific and technical journals are standing on the
shelves. Some of the readers is standing near the shelf reading some journal. The
librarian on duty is sitting at the desk reading something.
I often read newspapers and magazines in this Reading room while I wait for my
books. Then I go to the issue desk, hand in my Reader's card and borrow the books-
Предмет:
Английский язык -
Автор:
baileyhuynh - 6 лет назад
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Ответов:
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