Search

18.13: Набори
https://ukrayinska.libretexts.org/%D0%9C%D0%B0%D1%82%D0%B5%D0%BC%D0%B0%D1%82%D0%B8%D0%BA%D0%B0/%D0%9F%D1%80%D0%B8%D0%BA%D0%BB%D0%B0%D0%B4%D0%BD%D0%B0_%D0%BC%D0%B0%D1%82%D0%B5%D0%BC%D0%B0%D1%82%D0%B8%D0%BA%D0%B0/%D0%9C%D0%B0%D1%82%D0%B5%D0%BC%D0%B0%D1%82%D0%B8%D0%BA%D0%B0_%D0%B2_%D1%81%D1%83%D1%81%D0%BF%D1%96%D0%BB%D1%8C%D1%81%D1%82%D0%B2%D1%96_(Lippman)/18%3A_%D0%A0%D1%96%D1%88%D0%B5%D0%BD%D0%BD%D1%8F_%D0%B2%D0%B8%D0%B1%D1%80%D0%B0%D0%BD%D0%B8%D1%85_%D0%B2%D0%BF%D1%80%D0%B0%D0%B2/18.13%3A_%D0%9D%D0%B0%D0%B1%D0%BE%D1%80%D0%B8
13. $A \cup B=\{1,2,3,4,5\}$ 15. $A \cap C=\{4\}$ 17. $A^{c}=\{6,7,8,9,10\}$ 19. $D^{c} \cap E=\{t, s\}$ 21. $(D \cap E) \cup F=\{\mathrm{k}, \mathrm{b}, \mathrm{a}, \mathrm{t}, \mathrm{h}\}$ 2...13. $A \cup B=\{1,2,3,4,5\}$ 15. $A \cap C=\{4\}$ 17. $A^{c}=\{6,7,8,9,10\}$ 19. $D^{c} \cap E=\{t, s\}$ 21. $(D \cap E) \cup F=\{\mathrm{k}, \mathrm{b}, \mathrm{a}, \mathrm{t}, \mathrm{h}\}$ 23. $(F \cap E)^{c} \cap D=\{\mathrm{b}, \mathrm{C}, \mathrm{k}\}$ Одна з можливих відповідей: $(A \cap B) \cup(B \cap C)$ 31. $\left(A \cap B^{2}\right) \cup C$ 33. $5$ 35. $6$ 37. $\mathrm{n}(A \cap C)=5$ 39. $\mathrm{n}(A \cap B \cap C)=3$ 41. $\mathrm{n}(G \cup H)=45$