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Cees Otto

Math Contestant

Oegstgeest, Zuid-Holland, Netherlands

  • Birthday
    Jan. 1, 1954
  • Total Attempts
    128
  • Correct Percentage
    81%
  • Total Points
    319
Problems Attempted per Day
Score per Day
Submission Activity

  • Middle School Madness - Attempted

    Prime Number Sum

    Result: Correct

    Score: 0

  • Elementary Brain Teaser - Attempted

    Yellow Candy

    Result: Correct

    Score: 0

  • Daily Math Challenge - Attempted

    Problem 1377

    Result: Correct

    Score: 8

  • Elementary Brain Teaser - Attempted

    Greatest of Seven

    Result: Correct

    Score: 0

  • Middle School Madness - Attempted

    Eleven

    Result: Correct

    Score: 0