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a fost răspuns

fie x={1 2 3 4 5},Y={3 4 5 6 7 8}
determinati ×Uy,×ny,y\y,y\x

Răspuns :

GeorgeInfinite
xUy = 1,2,3,4,5,6,7,8 XnY = 3,4,5
Laura077
x∪y={1,2,3,4,5,6,7,8}

x∩y={3,4,5}

x\y={1,2}

y\x={6,7,8}

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