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PLIS POMOZ WAZNE !!!

PLIS POMOZ WAZNE class=

Odpowiedź :

zad.2

a)

A ∪ B =  { 1, 2, 3, 8 }

A ∪ C = { 2, 3, 5 }

B ∪ C = { 1, 2, 3, 5, 8 }

A ∪ B ∪ C = { 1, 2, 3, 5, 8 }

b)

A ∪ B = { 2, 5 }

A ∪ C =  { 2, 5, 7 }

B ∪ C = { 2, 5, 7 }

A ∪ B ∪ C = { 2, 5, 7 }

c)

A ∪ B =  { 1, 4, 8 }

A ∪ C =  { 1, 3, 4, 7, 8 }

B ∪ C = { 3, 4, 7 }

A ∪ B ∪ C = { 1, 3, 4, 7, 8 }

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