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If the rational number x equals its opposite and the rational number y equals its reciprocal, then y ^ 2008 + x ^ 2009=
A 0
B 1
C -1
D 2 write the reason!
If the rational number x equals its opposite and the rational number y equals its reciprocal, then y ^ 2008 + x ^ 2009=
A 0
B 1
C -1
D 2 write the reason!
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