Question 475929
{17,22,26} u {22,17,37} = {17,22,26,37}
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{17,22,26} n {22,17,37} = {17,22}
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{17,47,26} u {92,80,37} = {17,26,37,47,80,92}
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{17,47,26} n {92,80,37} = empty set
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Cheers,
Stan H.