kitchen table math, the sequel: Ah!

Saturday, March 17, 2007

Ah!

This is an invaluable resource: Ask Dr. Math.
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1 comment:

Catherine Johnson said...

oh absolutely

this is a fantastic resource

one of the very best

i have the books, too!

i'll get this link posted on the sidebar

March 17, 2007 at 7:20 AM

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