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28 October, 11:14

Rena wrote all integers 1 to 12. How many digits did she write

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Answers (2)
  1. 28 October, 13:38
    0
    Rena wrote 15 digits.

    Step-by-step explanation:

    Starting with 10, you start adding 2 for every 2 digit number, so for 10, 11, and 12 you add 6 all together. 9+6 = 15.
  2. 28 October, 14:00
    0
    Rena wrote 15 digits
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