用行列式性质证明:[tex=13.214x4.071]Uyz5s0rmQIddjb5Jc2T/YfYTv6LxM97jGsMwpzUFaxiINsSIexsCFO/3wVe2hTbqkrUsLYBPU/kKRuZeZXDLHqaabWiAdWIZ/RMgNfLkceLuUJ1sUDA87gejSDu84Dtbs4w0x9LGv6x6/v7lnsnYSHQsonPCd3aJGtS6EzRyPQo=[/tex]
用行列式性质证明:[tex=13.214x4.071]Uyz5s0rmQIddjb5Jc2T/YfYTv6LxM97jGsMwpzUFaxiINsSIexsCFO/3wVe2hTbqkrUsLYBPU/kKRuZeZXDLHqaabWiAdWIZ/RMgNfLkceLuUJ1sUDA87gejSDu84Dtbs4w0x9LGv6x6/v7lnsnYSHQsonPCd3aJGtS6EzRyPQo=[/tex]
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