Question

fie multimea A ={ 11,13,21,31,49,55},B={ 13,31,48,55} si C={11,13,21,48}.Aflati A inreuniune cu B

Answer 1

A în reuniune cu B sunt :
,11,13,21,31,48,49,55.

Answer 2

A ={ 11,13,21,31,49,55},B={ 13,31,48,55} si C={11,13,21,48}A∨B={11,13,21,31,48,49,55}