[tex]A=\{1,2,3,6,9,18\}\\A\cap B=\{1,2,3,6\}\\A\cup B=\{0,1,2,3,4,5,6,9,18\}\\A\setminus B=\{9,18\}\\B\setminus A=\{0,4,5\}[/tex]
