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# What is 2 plus 2?

**2 plus 2 equals 4.** This is arrived with the help of an arithmetic operation called addition. It involves bringing two or more numbers together to arrive at a total, or sum. Addition is symbolized by using a plus sign: "+"

Even if the position of the numbers is swapped around, the answer remains the same. Individual numbers that are added are known as addends. The symbol of addition has been used for centuries, but it was only in the 16th century that the symbol was made universal. Until then, mathematical equations were written in words. Addition is sometimes referred to as sum, plus, increase and total.

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