Admin

Cees Otto

Math Contestant

Oegstgeest, Zuid-Holland, Netherlands

  • Birthday
    Jan. 1, 1954
  • Total Attempts
    170
  • Correct Percentage
    81%
  • Total Points
    416
Problems Attempted per Day
Score per Day
Submission Activity

  • Middle School Madness - Attempted

    Check It Out

    Result: Correct

    Score: 0

  • Elementary Brain Teaser - Attempted

    Reciprocals

    Result: Correct

    Score: 0

  • Daily Math Challenge - Attempted

    Problem 1446

    Result: Correct

    Score: 5

  • Daily Math Challenge - Attempted

    Problem 1445

    Result: Correct

    Score: 5

  • Daily Math Challenge - Attempted

    Problem 1445

    Result: Incorrect

    Score: 0