Вопрос № 284272 - Английский язык

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There have been many different number 1 _______ in the world. A long time ago the Babylonians counted in 60s and today computers count in 2s – using only 1 and 0. We call this 2-number system the binary system. Most systems, however, count in 10s. This is because we have 10 fingers. We call this system the decimal system from ‘decem’, the Latin word for 10.
The Romans used letters like I, V, X and C to 2 _______ in 10s but these are not very easy to use. The numbers most people use today come from India. We think they were 3 _______ by the Hindu people there. In the Hindu system the place of each number is important. For example, 832 is a different number to 238 or 382. The Hindu system was also used by the Arabs, and we now call them Arabic numbers. In about the 12th century an Italian called Leonardo Fibonacci wrote a book about Arabic numbers, and people all over Europe began using these numbers.
We do not know who invented the decimal point, but we know that in 1585 a man called Simon Stevin wrote  a book about the decimal point. The book was called ‘The Tenth’. Before we knew about the decimal point, we had to use 4 _______ like Ѕ and system ѕ when we talked about numbers smaller than 1.
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  • invented
  • count
  • fractions
  • systems
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Вопрос задал(а): Анонимный пользователь, 10 Ноябрь 2020 в 00:48
На вопрос ответил(а): Анастасия Степанова, 10 Ноябрь 2020 в 00:48