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={0,1,2,3}, ={2,3,4},则(∁uA.)∪(∁uB.)等于( ) A.{1}B.{0,1} {0,1,4} {0,1,2,3,4}
{0,1,2,3,4} {2,4,6} {2,4} {0,1,2,3,4,6}
2~20fl 36~360f1 35~90fl 90~160fl 160fl以上
2~20fl 36~360f1 35~90fl 90~160fl 160fl以上
{2} {2,3,4} {3} {0,1,2,3,4}
{0,1,2,3,4} {0,4} {1,2} {3}
)∪B=( ) A.{2} {1,2,3} {1,3} {0,1,2,3,4}
3~240km/h 5~160km/h 5~360km/h 0~360km/h
{0,1,2,3,4} {0,1,2,3} {0,1,2} {0,1}
2~20fl 36~360fl 35~160fl 90~160fl 160fl
∪ =( ) A.{2} B.{1,2,3} {0,1,3,4} {0,1,2,3,4}
1、3、4、2 4、3、2、1 4、1、2、3 1、4、3、2
2~20fl 36~360f1 35~90fl 90~160fl 160fl以上
2~20fl 36~360fl 35~160fl 90~160fl 160fl