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第1个回答 2014-03-10
解：
原行列式=1x3x1x3+2x4x2x4+1x3x1x3+2x4x2x4-4x4x4x4-3x3x3x3-2x2x2x2-1x1x1x1=9+64+9+64-256-81-16-1=-208
原行列式=1x3x1x3+2x4x2x4+1x3x1x3+2x4x2x4-4x4x4x4-3x3x3x3-2x2x2x2-1x1x1x1=9+64+9+64-256-81-16-1=-208
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