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Dominoes Math Puzzle
What is the total number of dots on the 136 dominoes which make up a double fifteen set?
There are no repeat number combinations in a set of dominoes. For example, the tiles will be (0 + 0), (0 + 1), (0 + 2) … (0 + 15), (1 + 0), (1 + 1), (1 + 2), … (1 + 15), etc.
From Macachy's Mathematical Recreations by Joseph S. Madachy
Click to find the answer to this math puzzle.
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