#math trivia #72 solution

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.

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out / Change )

Twitter picture

You are commenting using your Twitter account. Log Out / Change )

Facebook photo

You are commenting using your Facebook account. Log Out / Change )

Google+ photo

You are commenting using your Google+ account. Log Out / Change )

Connecting to %s