Question

Determinati multimile Xsi Y stiind ca sunt indeplinite simultan conditiile :
1)X se reuneste cu Y={11 ,12, 13, 14, 15, 16 }, 2)X se intersecteaza cu Y={11, 12}, 3)X se intersecteaza cu {13, 14}=∅ ,4)Y∩{15 ,16 }=∅

Answer 1

X={11;12;15;16}
Y={11;12;13;14}