Admin

Cees Otto

Math Contestant

Oegstgeest, Zuid-Holland, Netherlands

  • Birthday
    Jan. 1, 1954
  • Total Attempts
    293
  • Correct Percentage
    83%
  • Total Points
    742
Problems Attempted per Day
Score per Day
Submission Activity

  • Elementary Brain Teaser - Attempted

    Even Products

    Result: Correct

    Score: 0

  • Daily Math Challenge - Attempted

    Problem 1561

    Result: Correct

    Score: 6

  • Daily Math Challenge - Attempted

    Problem 1559

    Result: Correct

    Score: 6

  • Problem of the Week - Attempted

    Triperfect

    Result: Correct

    Score: 7

  • Middle School Madness - Attempted

    Lucky 13

    Result: Correct

    Score: 0