Admin

Cees Otto

Math Contestant

Oegstgeest, Zuid-Holland, Netherlands

  • Birthday
    Jan. 1, 1954
  • Total Attempts
    213
  • Correct Percentage
    80%
  • Total Points
    506
Problems Attempted per Day
Score per Day
Submission Activity

  • Problem of the Week - Attempted

    Divisible by Twelve

    Result: Correct

    Score: 6

  • Middle School Madness - Attempted

    Differences

    Result: Correct

    Score: 0

  • Elementary Brain Teaser - Attempted

    Greater than 1000

    Result: Correct

    Score: 0

  • Daily Math Challenge - Attempted

    Problem 1477

    Result: Correct

    Score: 6

  • Problem of the Week - Attempted

    A Score of Elves

    Result: Correct

    Score: 5