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若m×n矩阵A中所有s阶子式都不为零，所有s+1阶子式全为零，则必有r（A）=s ( )
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若m×n矩阵A中所有s阶子式都不为零，所有s+1阶子式全为零，则必有r（A）=s ( )
A、true
B、false
时间：2021-09-01 22:35
关键词：
青书学堂
长春工程学院
工程数学(专升本)
答案解析
A
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