Question

Scrieti multimea cifrelor din care sunt formate numerele:43257 , 524123 , 17230415 , 425730

Answer 1

43257---- M={2,3,4,5,7}
524123---M={1,2,3,4,5}
17230415---M={0,1,2,3,4,5,7}
425730---M={0.2.3.4.5.7}