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Why is -21 plus 21 zero

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Why is -21 plus 21 zero

asked Sep 1, 2022 145k views

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Why is -21 plus 21 zero

Mathematics
high-school

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1 Answer

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Answer:

Becuse thats what my calculator says

Explanation:

JW Lim answered Sep 6, 2022

by JW Lim

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