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let U={1,2,3,4,...25}, B={3,6,9,...21}, C={3,6,9,...21}, and D={6,12,18,24}.

22.C U D
27 B n D
34.C - D
39.D'
40(D n B)'​

kailangan lang po.

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Answer:

22. C U D={3, 6, 9, 12, 15, 18, 20, 21, 24}

27. B n D= 4

34. C- D ={3, 9, 15, 21}

39 D' = { 1,2,3,4,5,7,8,9,10,11,13,14,15,16,17,19,20,21,22,23}

40. ( D n B)'={

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