设*P={3,log2a},Q={a,b},若P∩Q={0},则P∪Q=( )A.{3,0} ...
问题详情:设*P={3,log2a},Q={a,b},若P∩Q={0},则P∪Q=( )A.{3,0} B.{3,0,1} C.{3,0,2} D.{3,0,1,2}【回答】B知识点:*与函数的概念题...
问题详情:设*P={3,log2a},Q={a,b},若P∩Q={0},则P∪Q=( )A.{3,0} B.{3,0,1} C.{3,0,2} D.{3,0,1,2}【回答】B知识点:*与函数的概念题...