Zadanie 4
Zadanie 4.
Wiedząc, że:
A = { 1, 2, 3, 4, 9, 10 }
B = { 1, 2, 3, 6, 7 }C = { 1, 2, 5, 6 }
wyznacz:
(A B) C
A (B C)
(A B) C
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(A B) C
A B
B (C A)
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ROZWIĄZANIE:
(A B) C = { 1, 2, 3 } C = { 3 }
(A B) C = { 1, 2, 3, 4, 6, 7, 9, 10 } C = { 3, 4, 7, 9, 10 }
A (B C) = A { 1, 2, 6 } = { 3, 4, 9, 10 }
A B = { 4, 9, 10 }
(A B) C = { 4, 9, 10 } C =
B (C A) = B { 1, 2, 3, 4, 5, 6, 9, 10 } = { 7 }
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