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David Hartanto

Math Contestant

Jakarta, JK, Indonesia

  • Birthday
    Nov. 25, 1988
  • Total Attempts
    11
  • Correct Percentage
    100%
  • Total Points
    12
Problems Attempted per Day
Score per Day
Submission Activity

  • Problem of the Week - Attempted

    Sum Reciprocals

    Result: Correct

    Score: 2

  • Daily Math Challenge - Attempted

    Problem 1364

    Result: Correct

    Score: 5

  • Middle School Madness - Attempted

    Seven Odd Numbers

    Result: Correct

    Score: 0

  • Middle School Madness - Attempted

    220 and 350

    Result: Correct

    Score: 0

  • Middle School Madness - Attempted

    Small Product

    Result: Correct

    Score: 0