Question

va rog ajutaţimă repede!!​

Answer 1

Răspuns:

AUB= 2 5 7 9 13 16 21 28 32

AUC= 2 3 4 5 7 9 11 16 21 32

BUC= 2 3 4 5 7 11 13 21 28

A•B= 7 21

A•C= 2 7

B•C= 5 7

AUBUC= toate numerele din cele 3 multimi fara sa se repete

A•B•C= 7

A\B= 2 9 16 32

B\A= 5 13 28

A\C= 9 16 21 33

C\A= 3 4 5 11

B\C= 13 21 28

C\B= 2 3 4 11

!! Unde e • este semnul acela "U" intors. La fiecare multime trebuie sa scrii cu parantezele astea { }

Spor!!

Answer 2

Răspuns:

Explicație pas cu pas:

A = {2, 7, 9, 16, 21, 32}

B = {7, 5, 13, 21, 28}

C = {2, 3, 4, 5, 7, 11}

---------------------------------

A U B = {2, 5, 7, 9, 13, 16, 21, 28, 32}

A U C = {2, 3, 4, 5, 7, 9, 11, 16, 21, 32}

B U C = {2, 3, 4, 5, 7, 11, 13, 21, 28}

A ∩ B = {7, 21}

A ∩ C = {2, 7}

B ∩ C = {5, 7}

A U B U C = {2, 3, 4, 5, 7, 11, 9, 13, 16, 21, 28, 32}

A ∩ B ∩ C = {7}  

A \ B = {2, 7, 9, 16, 21, 32} \ {7, 5, 13, 21, 28} = {2, 9, 16, 32}

B \ A = {7, 5, 13, 21, 28} \ {2, 7, 9, 16, 21, 32} = {5 13 28}

A \ C = {2, 7, 9, 16, 21, 32} \ {2, 3, 4, 5, 7, 11} = {9, 16, 21, 32}

C \ A = {2, 3, 4, 5, 7, 11} \ {2, 7, 9, 16, 21, 32} = {3, 4, 5, 11}

B \ C = {7, 5, 13, 21, 28} \ {2, 3, 4, 5, 7, 11} = {13, 21, 28}

C \ B = {2, 3, 4, 5, 7, 11} \ {7, 5, 13, 21, 28} = {2, 3, 4, 11}

==pav38==