题目内容
集合M={a,b},N={a+1,3},a,b为实数,若M∩N={2},则M∪N=
[ ]
A.
{0,1,2}
B.
{0,1,3}
C.
{0,2,3}
D.
{1,2,3}
答案:D
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题目内容
集合M={a,b},N={a+1,3},a,b为实数,若M∩N={2},则M∪N=
{0,1,2}
{0,1,3}
{0,2,3}
{1,2,3}