exercise:E27f7758b8: Difference between revisions
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(Created page with "<div class="d-none"><math> \newcommand{\NA}{{\rm NA}} \newcommand{\mat}[1]{{\bf#1}} \newcommand{\exref}[1]{\ref{##1}} \newcommand{\secstoprocess}{\all} \newcommand{\NA}{{\rm NA}} \newcommand{\mathds}{\mathbb}</math></div> How many seven-element subsets are there in a set of nine elements?") |
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How many seven-element subsets are there in a set of nine elements? | |||
elements? | |||
Latest revision as of 23:00, 12 June 2024
How many seven-element subsets are there in a set of nine elements?