[線代] 基本矩陣題目問題

[rr8r8r8r8tw (amp)]

http://i754.photobucket.com/albums/xx185/rpd11140/other/DSC_0001-1.jpg

9.答案是[0 0 1]
        |0 1 0|
        [1 0 0]

請問如何算？

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→ Sfly        :what are A, B?
→ rr8r8r8r8tw :sorry我等等補上
→ rr8r8r8r8tw :http://i754.photobucket.com/albums/xx185/rpd11140
→ bewilderment:看這答案，A和B應該只差在exchange row1 and row3
→ bewilderment:另外樓上的連結打不開
→ rr8r8r8r8tw :我有另外引言回覆了
→ rr8r8r8r8tw :突然會了，原來交換而已，謝謝