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Earn +20 ptsQ: Who invented the addition sign?
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When was the addition sign first used?
The addition sign was first used in 1544.
What do you do when adding integers with the same sign?
Do the addition. Keep the sign.
How were the plus and minus sign invented?
The person who invented the plus sign is the same as the minus
What is separated by an addition or subtraction sign?
terms
Who invented the plus sign?
It is invented by Michael Stiple in 1544
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