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Які співвідношення відповідають визначенню багатозначної залежності ?
( x y1 z1 ), ( x y2 z2 ) => ( x y1 z2 ), ( x y1 z1 )
( x y1 z1 ), (x y2 z2) => ( x y1 z2 ), ( x y2 z1 )
( x y1 z1 ), ( x y1 z2 ) => ( x y1 z1 ), ( x y1 z1 )
( x y2 z1 ), ( x y1 z2 ) => ( x y2 z2 ) , ( x y1 z1 )
( x y1 z1 ), ( x y1 z1 ) => ( x y1 z1 ), ( x y1 z1 )
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