问题
选择题
设集合S={x|x2-5|x|+6="0}," T={x|(a-2)x="2}," 则满足T (≠S的a的值共有 ( )
A．5
B．4
C．3
D．2
答案
答案：A
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设集合S={x|x2-5|x|+6="0}," T={x|(a-2)x="2}," 则满足T (≠S的a的值共有 ( )
A．5
B．4
C．3
D．2
答案：A
