In the 2005-2006 Abacus International Math
Challenge
No new problems will be posted
for this year.
Please, send in all your
solutions by April 30, 2006.
The problems for February
are:
The problems for January were:
The problems for December
were:
The problems for November
were:
The problems for October were:
The problems for September
were:
See the list and results of the problem-solvers
in 2005-2006.