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1 мед институт им сеченова официальный сайт клиника, 1 - Wikipedia, The number 1 for kids - Learning to count - YouTube, 1 (number) - Simple English Wikipedia, the free encyclopedia, 1 (number) - New World Encyclopedia, 1 - Wiktionary, the free dictionary, 1 -- from Wolfram MathWorld, 23 Fun Facts About Number 1 You Need to Know.
The used today in the Western world to represent the number 1, a vertical line, often with a serif at the top and sometimes a short horizontal line at the bottom, traces its roots back to the Indians, who wrote 1 as a horizontal line, as is still the case in Chinese script. The Gupta wrote it as a curved line, and the Nagari sometimes added a small circle on the left (rotated a quarter turn to the right, this 9-look-alike became the present day numeral 1 in the Gujarati and Punjabi scripts). The Nepali also rotated it to the right, but kept the circle small. This eventually became the top serif in the modern numeral, but the occasional short horizontal line at the bottom probably originates from similarity with the Roman numeral I. In some European countries (e.g., ) the little serif at the top is sometimes extended into a long upstroke, sometimes as long as the vertical line, which can lead to confusion with the glyph for in other countries. Where the 1 is written with a long upstroke, the number 7 has a horizontal stroke through the vertical line., 1 (one, unit, unity) is a number, numeral, and glyph. It is the first and smallest positive integer of the infinite sequence of natural numbers., Educational video for children to learn the number 1. The little ones will learn how to trace number 1, how to pronounce it and also how to count with a series of super fun examples..
1 (number) Chinese hand sign Pronunciation of the number 1. One (1) is the first natural number, followed by two. The Roman numeral for one is I., The glyph used today in the Western world to represent the number 1, a vertical line, often with a serif at the top and sometimes a short horizontal line at the bottom, traces its roots back to the Indians, who wrote 1 as a horizontal line, as is still the case in Chinese script., Tenth century “West Arabic” variation of the Nepali form of Hindu-Arabic numerals (compare Devanagari script १ (1, “éka”)), possibly influenced by Roman numeral Ⅰ, both ultimately from using a single stroke to represent the number one., Although the number 1 used to be considered a prime number, it requires special treatment in so many definitions and applications involving primes greater than or equal to 2 that it is usually placed into a class of its own (Wells 1986, p. 31)., The number 1 is the smallest positive integer representing unity and singularity in mathematics. It symbolizes independence, creativity, and leadership in many cultures and is often associated with new beginnings., Your guide to the number 1, an odd number which is uniquely neither prime nor composite. Mathematical info, prime factorization, fun facts and numerical data for STEM, education and fun..