1 2 2`````22 2 2`````22 2 3``````2` ` ` `2 2 2`````n 计算此行列式 用性质

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1 2 2`````22 2 2`````22 2 3``````2` ` ` `2 2 2`````n 计算此行列式 用性质

1 2 2`````22 2 2`````22 2 3``````2` ` ` `2 2 2`````n 计算此行列式 用性质
1 2 2`````2
2 2 2`````2
2 2 3``````2
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2 2 2`````n 计算此行列式 用性质

1 2 2`````22 2 2`````22 2 3``````2` ` ` `2 2 2`````n 计算此行列式 用性质