In
cryptography, as in cross words, one correct
answer leads to another, so search for a logical entry
point. These exercises build many mental skills:
Working memory (ability to hold data in mind while
comparing it with other data), visual memory, logical
reasoning and attention span.
Instructions:
Each
symbol, as it is used in this exercise, represents
a digit, always the same digit. Here's some help
on strategy:
The first line tells you the value of
.
The third line tells you the value of
, and helps you begin to narrow down the values of
the symbols on the left of the equation. Fill
the boxes to the left of the "=" sign,
then click the equals sign (=) for validation. Double
click or select inside the textbox to change values.
Click here
for instructions and for
more details about how to work with Codebreaker exercises.
