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Cees Otto

Math Contestant

Oegstgeest, Zuid-Holland, Netherlands

  • Birthday
    Jan. 1, 1954
  • Total Attempts
    94
  • Correct Percentage
    83%
  • Total Points
    253
Problems Attempted per Day
Score per Day
Submission Activity

  • Elementary Brain Teaser - Attempted

    1234 Prime

    Result: Correct

    Score: 0

  • Daily Math Challenge - Attempted

    Problem 1334

    Result: Correct

    Score: 6

  • Middle School Madness - Attempted

    Donut Sale

    Result: Correct

    Score: 0

  • Elementary Brain Teaser - Attempted

    What is X?

    Result: Correct

    Score: 0

  • Middle School Madness - Attempted

    Greater than 200

    Result: Correct

    Score: 0