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Mathematics, 13.06.2021 14:30 girlwholikesanime

Xác định ma trận X thỏa mãn phương trình: XA = B , biết A = ( 9 -1 ) ; B = ( 1 9 )

( 7 9 ) ( 1 7 )

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Xác định ma trận X thỏa mãn phương trình: XA = B , biết A = ( 9 -1 ) ; B = ( 1 9 )

( 7...

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