Danny Gregory (Everday Matters) is offering some nice prizes for the best illustrated letters he receives before Christmas.
I think this is a fun idea!
Enigma 457: Divided by ex…
-
From New Scientist #1608, 14th April 1988 [link] In the following division
sum, letters are substituted for digits. The same letter stands for the
same dig...
Posts
No comments:
Post a Comment