Admin

Cees Otto

Math Contestant

Oegstgeest, Zuid-Holland, Netherlands

  • Birthday
    Jan. 1, 1954
  • Total Attempts
    263
  • Correct Percentage
    82%
  • Total Points
    676
Problems Attempted per Day
Score per Day
Submission Activity

  • Daily Math Challenge - Attempted

    Problem 1522

    Result: Correct

    Score: 6

  • Daily Math Challenge - Attempted

    Problem 1521

    Result: Correct

    Score: 6

  • Daily Math Challenge - Attempted

    Problem 1519

    Result: Correct

    Score: 6

  • Problem of the Week - Attempted

    Perfect Perfect Squares

    Result: Correct

    Score: 6

  • Middle School Madness - Attempted

    Seventh Pair

    Result: Correct

    Score: 0