Data too long for column 'ip' at row 1
Database Error
Message:MySQL Query fail: INSERT INTO `ga_sessoes` (`id_sessao`, `id_user`, `ip`, `expiracao`, `local`) VALUES ('f292da90f57ed7bf747e0219a636ddd4', '0', '10.8.50.251, 216.73.216.243', '1784278761', '/fichaartigo?id=625');
MySQL Error:Data too long for column 'ip' at row 1
Date:Friday, July 17, 2026 at 9:29:21 AM
Script:/fichaartigo?id=625
Data too long for column 'ip' at row 1
Database Error
Message:MySQL Query fail: INSERT INTO `ga_sessoes` (`id_sessao`, `id_user`, `ip`, `expiracao`, `local`) VALUES ('f292da90f57ed7bf747e0219a636ddd4', '0', '10.8.50.251, 216.73.216.243', '1784278761', '/fichaartigo?id=625');
MySQL Error:Data too long for column 'ip' at row 1
Date:Friday, July 17, 2026 at 9:29:21 AM
Script:/fichaartigo?id=625
Gazeta de matemática

Matrices whose sum is the identity matrix

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PDF do Artigo | PDF integral
Gazeta nº 105, pág. nº 8 | Categoria: Artigos | Palavras-Chave: gazeta, matemática, matrizes
Autor(es): Graciano de Oliveira |