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acela care este insembat

Acela Care Este Insembat class=

Răspuns :

Stefanmaria73
A U B={1,2,3,4,5,6,7,8,9}
A U C={1,2,3,4,5,6,7,12}
B U C={1,2,3,5,6,7,8,9,12}
A n B={5,6,7}
A n C={1,2,3,7}
B n C{7}
A U B U C={1,2,3,4,5,6,7,8,9,12}
A n B n C={7}
A\B={1,2,3,4}
B\C={5,6,8,9}
A\C={5,6}
A U (B n C)={multimea vida}

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