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{2,5} {3,6} {2,5,6} {2,3,5,6,8}
{1,3,2,6} {(1,3),(2,6)} M. {3,6}
{1,2,3,4,6} {1,2,3,4,5} {1,2,5} {1,2}
∩(∁U. )= A.{2,3,4,5,6}B.{3,6} {2} {4,5}
={2,3,5,6},集合 ={1,3,4,6,7},则集合A.∩(∁UB)=( )
A.{3,6} B.{2,5}
{2,5,6} {2,3,5,6,8}
={1,2,3}, ={x|(x﹣3)(x﹣6)=0},则A.∩B.等于( ) A.{1}B.{2,3} {3,6} {3}
{1} {3,6} {4,5} {1,3,4,5,6}
={1,2,4},集合 ={3,6},则∁U.(A.∪B.)=( ) A.{1,2,4}B.{1,2,4,5} {2,4} {5}
(-∞,-1) [1,3) (3,6) {4,5}
{2,4,7,8} {1,3,5,6}
{3} {3,4,5,6} {{3}} {{3},Φ}
(-1,2) (3,6) (-1,2)∪(3,6] (-1,2)∪(3,6)
{2,6} {3,6} {1,3,4,5} {1,2,4,6}
fuc(3); fuc(3,6); fuc(3,'*'); fuc(3,6,'*');
∅ {2,4,7,8} {1,3,5,6} {2,4,6,8}
={2,3,5,6},集合 ={1,3,4,6,7},则集合=( ) A.{2,5} B.{3,6} {2,5,6} {2,3,5,6,8}