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What do you know about Zero?
Number Theory
Level 2
Zero is a
even number
not defined
neither even nor odd
odd number
Submit
Excel in math and science
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It's hard to learn from lectures and videos
Learn more effectively through short, interactive explorations.
Used and loved by over 6 million people
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including olympiad champions, researchers, and professionals.
Your answer
seems reasonable.
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That seems reasonable.
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