Admin

Cees Otto

Math Contestant

Oegstgeest, Zuid-Holland, Netherlands

  • Birthday
    Jan. 1, 1954
  • Total Attempts
    299
  • Correct Percentage
    83%
  • Total Points
    772
Problems Attempted per Day
Score per Day
Submission Activity

  • Daily Math Challenge - Attempted

    Problem 1576

    Result: Correct

    Score: 6

  • Daily Math Challenge - Attempted

    Problem 1575

    Result: Correct

    Score: 6

  • Elementary Brain Teaser - Attempted

    Six and Seven

    Result: Correct

    Score: 0

  • Daily Math Challenge - Attempted

    Problem 1572

    Result: Correct

    Score: 7

  • Daily Math Challenge - Attempted

    Problem 1570

    Result: Correct

    Score: 6