Clockwise

Clockwise When something is moving clockwise, it is moving in a circle in the same direction as the hands on a clock. The clockwise direction The counterclockwise or anticlockwise direction   https://en.wikipedia.org/wiki/Clockwise […]

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Century

Century A century is a period of one hundred years. Example  – 19th century was the period from  1801 to 1900. – The 21st century is the current century in the Anno Domini or Common Era, in accordance with the Gregorian calendar. It began on January 1, 2001 and will end on December 31, 2100.  It is the first century of the […]

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Addition

Addition  Addition (signified by the plus symbol +) is one of the four basic operations of arithmetic.  The addition of two whole numbers results in the total amount or sum of those values combined. Addidion is the inverse of subtraction. […]

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