150 Puzzles in Crypt Arithmetic
|Published by: alexa19 (Karma: 4024.98) on 4 August 2010 | Views: 1253|
This is a collection of arithmetical puzzles which operate by substituting letters for numbers. The author clearly explains how to solve them, and they range from easy to very complex.
Dear user! You need to be registered and logged in to fully enjoy Englishtips.org. We recommend registering
or logging in
|Tags: range, solve, explains, complex, Puzzles, Puzzles, Arithmetic, Crypt, clearly, author