计算行列式：[tex=4.5x2.786]Uyz5s0rmQIddjb5Jc2T/YSH/IvwjHuw69xy5ak6ZquMFpExvJyKmrBhnmUOU813wJtjX4JGtuQoYZUQBPZynqg==[/tex] .
计算行列式：[tex=4.5x2.786]Uyz5s0rmQIddjb5Jc2T/YSH/IvwjHuw69xy5ak6ZquMFpExvJyKmrBhnmUOU813wJtjX4JGtuQoYZUQBPZynqg==[/tex] .
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