[tex]\bf 10.\ \ \ \it x\in\{-3,\ \ 0,\ \ 1,\ \ 2,\ \ 3\}\\ \\ \\ \bf{11.}\ \ \it A=\{2,\ \ 3,\ \ 4\}\ \Rightarrow\ exist\breve a\ \ 2^3=8\ submul\c{\it t}imi:\\ \\ \O,\ \{2\},\ \{3\},\ \{4\},\ \{2,\ 3\},\ \{2,\ 4\},\ \{3,\ 4\},\ \{2,\ \ 3,\ \ 4\}[/tex]
