In article <firstname.lastname@example.org>, <email@example.com> wrote: >On Nov 12, 5:13 pm, quasi <qu...@null.set> wrote: >> On Mon, 12 Nov 2007 22:14:03 +0100, Thomas Nordhaus >> >> <thnord2...@yahoo.de> wrote: >> >dangerousgam...@gmail.com schrieb: >> >> So, using only +, -, x, /, and parentheses, and ONLY these numbers: >> >> >> 1, 7, 7, 7, 7 >> >> >> how can you make 100? Is there more than one solution? >> >> >How about this: 7+7+7+7+7+7+7+7+7+7+7+7+7+7+1+1. I think, that's the >> >only solution. >> >> The implication of showing four 7's is that you are supposed to use >> only those four 7's, and hence, only one 1. >> >> If you allow any number of 7's and 1's, it should be obvious that >> there are infinitely many solutions. >> >> quasi > >Thank you, that's what I meant, I should have made that clear. > >So anyone know of any arrangement?
You mean, besides the obvious 177-77 ?
-- ====================================================================== "It's not denial. I'm just very selective about what I accept as reality." --- Calvin ("Calvin and Hobbes" by Bill Watterson) ======================================================================