Traditional Culture Encyclopedia - Traditional festivals - Eighty-year-olds learn to type three numbers.
Eighty-year-olds learn to type three numbers.
805。
Eighty is the number 80, and five fingers on the hand are the number 5, so an 80-year-old man learns to type three numbers to be 805.
There are several kinds of numbers, and Arabic numerals are the most common one. Arabic numerals were not invented by Arabs, but by Indians. In fact, it should be listed as Hindi, but it spread to Arabia first and then to the world, so it is called "Arabic numerals". Numbers are written symbols used to represent numbers. Different counting systems can use the same number.
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