单选
设集合$$A = \{2,3,4,5,6\}$$,集合$$B = \{2,4,5,8,9\}$$,则$$A\cap B =$$( )。
单选
设集合$$A = \{2,4,5,6\}$$,集合$$B = \{2,4,5,8,9\}$$,则$$A\cup B =$$( )。
单选
设集合$$A = \{3,4,5,6\}$$,集合$$B = \{2,4,5,8,9\}$$,则$$A\cap B =$$( )。
单选
设集合$$A = \{2,3,4,5,6\}$$,集合$$B = \{2,4,7,8,9\}$$,则$$A\cup B =$$( )。
单选
设集合$$A = \{2,3,4,5\}$$,集合$$B = \{2,3,5,8,9\}$$,则$$A\cap B =$$( )。
单选
设集合$$A = \{2,3,4,5,6\}$$,集合$$B = \{2,4,0,8,9\}$$,则$$A\cap B =$$( )。
单选
设集合$$A = \{2,3,4,5,6\}$$,集合$$B = \{2,7,8,9\}$$,则$$A\cup B =$$( )。