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化简的结果是 ( )
A.0 B.—i C.—1 D.1
化简的结果是
A.-1
B.0
C.1
D.
化简(x>)的结果是
A.1-2x
C.2x-1
D.(1-2x)2
化简(sin6α+cos6α)+3sin2αcos2α的结果是 ( )
A.-1 B.1 C.0 D.2