간단한 계산

간단한 계산

2009-2009 , 2009-01
IMT2000 3GPP2
IMT2000 3GPP2
IMT2000 3GPP2
IMT2000 3GPP2

계산 : ( 2011/1-1 ) ( 2010/1-1 ) ( 3/1-1 )

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