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Forum URL: http://www.cut-the-knot.org/cgi-bin/dcforum/forumctk.cgi
Forum Name: Early math
Topic ID: 39
Message ID: 4
#4, RE: Can't reply to 'stumped' ...
Posted by Ehop on Mar-12-02 at 10:34 PM
In response to message #3
I have found the answer using digits 1-9, therefore 0 comes easily here goes:
15
36
47
2
+0
__
100

This problem is in the book "More Games for the Superintelligent," by James F. Fixx.
Their version does not incorporate 0, but that dosn't matter.