The addition sign was first used in 1544.
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The plus or addition sign was invented by Michael Stiple in 1544
Do the addition. Keep the sign.
The answer is x + 6. The plus sign (+) is used to indicate sums. A sum is the result of addition and + indicates the addition operator.
terms
The short form of addition is the plus sign (+). It is used in mathematical equations to indicate the operation of adding two or more numbers together. For example, in the equation 2 + 3, the plus sign is the short form of addition.