What came first letters or numbers?

Related questions

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2. Is there a word with all 26 letters?
3. What country owns Google?
4. What sentence uses every letter of the alphabet only once?
5. What is the shortest alphabet?
6. Whats the longest word in the world?
7. What is the shortest word with all 5 vowels in it?
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9. Are there more letters in the alphabet?
10. Is the letter Z being removed from the alphabet?

Tags

1. #first
2. #names
3. #house
4. #greek
5. #alphabet
6. #meant
7. #phoenician
8. #letters
9. #aleph
10. #which