Question

Determinati submultimile multimii F ( 1;3;5;7;9)

Answer 1

[1], [3], [5] . [7] .[9].
[1.3] [1.5] [1.7] [1.9]
[3.5] [3.7] [3.9] 
[5.7] [5.9]
[7.9]
[1.3.5] [1.3.7] [1.3.9]
[1.5.7] [1.5.9]
[3.5.7] [3.5.9] [5.7.9]
[1.3.5.7] [1.3.5.9]
[3.5.7.9]