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Forum URL: http://www.cut-the-knot.org/cgi-bin/dcforum/forumctk.cgi
Forum Name: Middle school
Topic ID: 49
#0, addition & subtraction
Posted by bill tellman on Oct-12-01 at 07:38 AM
using the numbers, 9 8 7 6 5 4 3 2 1, is it possible to use three
pluses & one minus sign to come up with an answer of 100?

(for example: 98+, 987+, etc)


#1, RE: addition & subtraction
Posted by alexb on Oct-12-01 at 11:12 PM
In response to message #0
You may want to have alook at

/do_you_know/digits/html