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如图所示,已知等边三角形ABC的边长为1,按图中所示的规律,用2008个这样的三...
如图所示,已知等边三角形ABC的边长为1,按图中所示的规律,用2008个这样的三角形镶嵌而成的四边形的周长是( )
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A.2008
B.2009
C.2010
D.2011
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