2015-03-27
421
Calculus; wedge; crescent; actual number; superscript; the elaborate date system; to pass along; to equal; to weave; digit; to correspond; to derive; conquest; to attribute; to set; sort of sideways; shell shape; nearby locales; to chant.
Соотнесите русские и английские слова и выражения.
| 1. long count calendar | a. привнести что-либо |
| 2. financial accounting | b. заполнитель |
| 3. CE (Common Era) | c. в стихах |
| 4. numeration | d. обсуждать |
| 5. actual number | e. уравнение |
| 6. arithmetic computations | f. финансовый учет |
| 7. elaborate date system | g. указывать, показать |
| 8. placeholder | h. до нашей эры |
| 9. to invent | i. исчисление; счёт |
| 10. halfway | j. сложная система дат |
| 11. equation | k. арифметические вычисления |
| 12. BC (Before Christ) | l. сложный календарь (календарь длинного счета) |
| 13. to debate | m. ноль; арабская цифра |
| 14. to indicate | n. наша эра |
| 15. separator | o. действительное число |
| 16. to bring | p. разделитель |
| 17. in verse | q. на полпути |
| 18. cipher | r. изобретать |
Переведите следующие предложения на русский язык.
1) The first thing to say about zero is that there are two uses of it: one – as an empty place indicator in our place-value number system and the other – as a number itself in the form we use it as 0.
2) Some historians favour the explanations that Greek astronomers began to use the symbol O (omicron), the first letter of the Greek word for nothing namely ²ouden².
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3) Fibonacci was one of the main people to bring these new ideas about the number system to Europe.
4) Cardan solved cubic and quartic equations without using zero.
5) Of course, on 1 January 2000, people celebrated the passing of only 1999 years since when the calendar was set up, no year zero was specified.
6) The final independent invention of zero in India was long debated by scholars.
7) The Babylonians used two symbols to represent all the numbers from 1 to 59: the wedge for a one, and crescent equaled a 10.
8) The Babylonian mathematicians used the separator (effectively the first zero) in the middle position only.
9) Despite the invention of zero as a placeholder, the Babylonians never quite discovered zero as a number.
10) Our name ²zero² derives ultimately from the Arabic ²sifr², which also gives us the word ²cipher².
Найдите в тексте синонимы следующим словам и запишите их.
To devise, to denote, to transfer, concept, sign, digit.
