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{0,1} {﹣1,0,1} {﹣1,2} {﹣1,0,1,2}
{0,1} {-1,0,2} {-1,0,1,2} {-1,0,1}
{-1,0,1} {-1,0,1,2} {-1,0,2} {0,1}
={x|x2-x-2≤0},集合 为整数集,则A.∩B.=( ) A.{-1,0,1,2}B.{-2,-1,0,1} {0,1} {-1,0}
={(?||?|<2)}, ={−2,0,1,2},则 (A.){0,1} (B.){−1,0,1} ( ){−2,0,1,2} ( ){−1,0,1,2}
{0,1,2} {﹣1,0,1,2} {﹣1,0,2,3} {0,1,2,3}
{0,2} {1,2} {0} {﹣2,﹣1,0,1,2}
{﹣1} {1,2} {0,1,2} {﹣1,0,1,2}
={﹣1,0,1,2}, ={x|x<2},则A.∩B.=( ) A.{﹣1,0,1}B.{﹣1,0,2} {﹣1,0} {0,1}
{2} {1,2} {0,1,2} {-1,0,1,2}
{0,1} {0,1,2} {-1,0,1} {-1,0,1,2}
{0,1} {-1,0,2} {-1,0,1,2} {-1,0,1}
{0,1} {﹣1,0,1,2} {﹣1,0,2} {﹣1,0,1}
{﹣1,0,1,2} {0,1,2} {1,2} {﹣1,0,1,2,3}
{-2,-1,0,1,2,3} {-2,-1,0,1,2} {1,2,3} {1,2}
{0,1} [0,1] {﹣1,0,1,2} [﹣1,2]
={-2,-1,0,1,2},B={x|(x -1)(x+2)<0},则A.∩B=( ) A. {--1,0} {0,1} {-1,0,1} {,0,,1,2}