證明題：證明
的值為0?
方程
=0的根為
計(jì)算n階行列式C.png)
的值?
計(jì)算行列式
證明題：證明的值為0?
（計(jì)算題）
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行列式的計(jì)算,行列式的性質(zhì)
兩行（列）對(duì)應(yīng)成比例，行列式的值為0?
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