Предмет: Математика, автор: polinaxt1

ПОМОГИТЕ ПОЖАЛУЙСТА
Складывая два числа, отличница Маша потеряла ноль, на который заканчивалось одно из
слагаемых, и получила неправильный ответ 2014 вместо правильной суммы 3013. Какие числа
должна была сложить Маша?

Ответы

Автор ответа: ivnv12
2

Ответ:

111 и 1903


Пошаговое объяснение:

Обозначим числа буквами a и b, тогда по условию

a + b = 2014


А если с нулем на конце то сумма:

10a + b = 3013


Отсюда

9a=3013-2014=999

a=111

b=2014-111=1903



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a) Read the text about the movie Back to the Future. Fill in the gaps with the following words: takes place, science fiction, fun, travels, actors, movies, wear, matches, play, comedy

Example: Marty McFly, 0) a teenager, is one of the main characters in the film “Back to the Future”.

Marty McFly, 0)___________, is one of the main characters in the film 'Back to the Future'. He 1)__________ accidentally into the 1950-s where he sees his young parents. He has to arrange their meeting. Dr. Brown, the inventor of the time machine, helps Marty go back to the future.
The story 2)____________ in the town of Hill Valley, California. Everything is different in the 1950s and in the 1980s. People 3)_____________ different clothes, they listen to different music, they have different manners of speaking. The plot is exciting. The music perfectly 4)______________ the film.
All the 5)______________ are great, especially Michael J. Fox and Christopher Lloyd who 6)_____________ the two main characters Marty and Dr. Brown. They add a lot of 7)____________, humour and joy to the film.
'Back to the Future' is one of the best entertaining 8)__________ about travelling in time, maybe because it doesn’t go into scientific details and it combines elements of both 9)______________ and a 10)_____________.

b) Read the text again. choose whether the statements are true or false.

Example: 0. Marty McFly is a little child. – False.

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5. The plot is boring. – ___________________________________________________.
6. Daniel Radcliffe plays the role of Marty. –___________________________________.
7. The film is funny. – ____________________________________________________.
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