Burt Kaliski Jr. (@modulomathy)

3/12/12 10:48 AM

#math trivia for #March12: #72 is both a sum and a difference of squares. What are the squares?

The sum of squares is 36+36.

The difference has several possibilities: 81-9, 121-49, 361-289.

For further discussion, see the solution to #68.

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