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A + o = a than '0' is called |
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Answer» Answer: In mathematics, the concept of sign originates from the property that EVERY real number is either positive, negative or zero. Depending on LOCAL conventions, zero is either considered as being neither a positive number, nor a negative number (having no sign or a specific sign of its own), or as belonging to both negative and positive numbers (having both signs).[citation needed] WHENEVER not specifically mentioned, this ARTICLE adheres to the first convention. |
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