Number Puzzle 2 - Visualizing Algeb...

• 7 years, 10 months ago

  Udacity Robot edited English subtitles for Number Puzzle 2 - Visualizing Algebra

• 11 years, 1 month ago

  Cogi-Admin added a translation

• 11 years, 1 month ago

  Udacity Robot added a video: Number Puzzle 2 - Visualizing Algebra