Difference between revisions of "KGS math club/solution 11 19"
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{{2,3,4}, {3,4}, {4}} and {{2}, {4}, {2,4}, {3}, {2,3}} also work | {{2,3,4}, {3,4}, {4}} and {{2}, {4}, {2,4}, {3}, {2,3}} also work | ||
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| + | The trick is that the elements of a set must be distinct. So { {3,3,3,3,3,3,2} } is not allowed, nor is {{3}, {3}, {3}, {3}, {3}, {3}, {2}}. | ||
Latest revision as of 05:03, 3 July 2012
{{2}, {2,3}, {2,3,4}, {4}} giving 1152
{{2,3,4}, {3,4}, {4}} and {{2}, {4}, {2,4}, {3}, {2,3}} also work
The trick is that the elements of a set must be distinct. So { {3,3,3,3,3,3,2} } is not allowed, nor is {{3}, {3}, {3}, {3}, {3}, {3}, {2}}.
