设行列式 https://assets.asklib.com/psource/2015110316105097137.png ,Aij表示行列式元素aij的代数余子式,则A13+4A33+A43等于:()
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已知行列式D= https://assets.asklib.com/psource/2015110316140880817.png ,则A11+A21+A31+A41=()。
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如果行列式 https://assets.asklib.com/psource/2015110116051944969.png ()
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行列式 https://assets.asklib.com/psource/201510261712353888.jpg 的值是:()
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计算n级行列式 https://assets.asklib.com/psource/2016030117443493127.jpg .
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