Number Theory

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Across
  1. 1. Mayan
  2. 4. Modular
  3. 5. Ionic
  4. 7. Roman
  5. 9. Chinese
Down
  1. 2. Babylonian
  2. 3. Base 2
  3. 4. Egyptian
  4. 6. Hebrew Gonna Change
  5. 8. Attic