满足AUB={0,1}的集合A,B的组数是
人气:151 ℃ 时间:2020-05-28 02:52:01
解答
A B
空集 {0,1}
{0} {0,1}
{1} {0,1}
{0,1} {0,1}
{0,1} {0}
{0,1} {1}
{0,1} 空集
{0} {1}
{1} {0}
总共9个
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