3x3三阶矩阵行列式计算器

a = b= c =
d = e= f =
g = h= i =
矩阵行列式(|A|)=

3x3二阶矩阵行列式计算器

对角线展开：

|a1 b1| =a1b2-a2b1

|a2 b2|

|a1 b1 c1|

|a2 b2 c2|=a1b2c3+b1c2a3+c1a2b3-a3b2c1-b3c2a1-c3a2b1

|a3 b3 c3|

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