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View Full Version : Frequently Asked Math Questions

  1. 48÷2(9+3) and similar
  2. Why do people say that 1 and 0.999... are equal? Aren't they two different numbers?
  3. Is there a rigourous proof of 1 = 0.999...?
  4. Questions about infinity
  5. How does cardinality work?
  6. Cardinal and ordinal numbers
  7. Proofs in mathematics
  8. The number zero
  9. Complex exponentiation