Question

fie multimea a={1,2,3,4,5,6}.determinați toate submultimile lui a, de cardinal 2, in care un element sa fie divizorul celuilalt element.

Answer 1

A={1,2,3,4,5,6}
Submultimile sunt:{1,2},{1,3},{1,4},{1,5},{1,6},{2,4},{2,6},{3,6}

Answer 2

-submultimi:{1,2},{1,3},{1,4},{1,5},{1,6},{2,4},{2,6},{3,6}