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Se determina multimile X si Y : XnY={2,3} X\Y={1,4,5} Y\X={7,8}

Răspuns :

X={1,2,3,4,5};Y={2,3,7,8}
x=1.2.3.4.5.
y=2.3.7.8
sper ca te-am ajutat