试题与答案

若abcd|abcd|=1,则[-abcd|abcd|]2001+|a|a+|b

题型:填空题

题目:

abcd
|abcd|
=1,则[-
abcd
|abcd|
]2001+
|a|
a
+
|b|
b
+
|c|
c
+
|d|
d
的值是______.

答案:

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