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H = { 2,4,5}
K = { 1,4,7 }
L = { 7,5,1 }
Dit :
(H-L) U L =....
Jawab:
H - K = { 2,4,5 } - { 1,4,7 } = { 2,5}
(H-K) U L = { 2,5 } U { 7,5,1 } = { 1,2,3,5,7 }
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