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={0,1,3,5,8},集合 ={2,4,5,6,8}, 则为 ( ) A.{5,8}B.{7,9} {0,1,3} {2,4,6}
{5,7} {2,4} {2,4,8} {1,3,5,6,7}
={0,1,3,5,8},集合 ={2,4,5,6,8},则 = ( ) A.{5,8} B.{7,9} {0,1,3} {2,4,6}
{2} {4,6} {1,3,5} {4,6,7,8}
={﹣1,﹣2,0}, ={﹣3,﹣4,0},则(∁U.A.)∩B.=( ) A.{0}B.{﹣3,﹣4} {﹣1,﹣2} ∅
={0,1,3,5,8},集合 ={2,4,5,6,8},则 ( ) A.{5,8}B.{7,9} {0,1,3} {2,4,6}
)∪B=( ) A.{2} {1,2,3} {1,3} {0,1,2,3,4}
∪ =( ) A.{2} B.{1,2,3} {0,1,3,4} {0,1,2,3,4}
{2,4,7,8} {1,3,5,6}
={2,0,1,6}, ={2,0,1,7}, ={2,0,1,5},则∁U.((A.∩C.)∪B.)=( ) A.{2,0,1,7}B.{0,6,7,8}C.{2,3,4,5} {3,4,5,6}
={0,1,3,5,8},集合 ={2,4,5,6,8},则为( ) A.{5,8}B.{7,9} {0,1,3} {2,4,6}
={1,2},则∁UA等于( ) A.{3,4} {1,2} {0,1,2} {0,3,4}
∅ {2,4,7,8} {1,3,5,6} {2,4,6,8}
={1,2,3,5}, ={2,4,6},则图中的阴影部分表示的集合为( ) A.{2}B.{4,6} {1,3,5} {4,6,7,8}
={0,1,3,5,8},集合 ={2,4,5,6,8},则为 A.{5,8} B.{7,9} {0,1,3} {2,4,6}