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Number Bubble








Goal: Add the 3 numbers on each line, and all the sums of the lines must be equal.

Hint: The magic sum is the hint. Divide the magic sum by 3 and you will get the value (number) that must be in the center in order to complete the puzzle.

Directions
  1. To start a new game, click on the New Puzzle button.
  2. Click on a bubble on the outside to swap the number positions.
  3. A solid bubble means a valid number placement on the line.
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