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4阶行列式
呃,求四阶行列式的展开式,有二十四项的那个.
人气:117 ℃ 时间:2020-03-28 10:00:33
解答
a11a22a33a44 + a11a23a34a42 + a11a24a32a43 -a11a24a33a42 - a11a23a32a44 - a11a22a34a43
+ a12a24a33a41 + a12a23a31a44 + a12a21a34a43 - a12a21a33a44 - a12a23a34a41 - a12a24a31a43
+ a13a21a 1百字满
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