若AB=BA，AC=CA，证明A,B,C是同阶矩阵，且<img src='https://fb.fenbike.cn/api/planet/accessories/formulas?fontSize=18&latex=FzcG8NGcOJ4wFHPd10WuGz4ROxk4dna7lS3TffV-zSg' />
若AB=BA，AC=CA，证明A,B,C是同阶矩阵，且
发布时间：2025-12-15 22:35:47
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