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Warning: session_start(): Failed to read session data: files (path: ) in /home/storage/8/1e/34/salvaeu1/public_html/includes/Config.php on line 44 Dado que a + b = 8 e ab = 17, qual é o valor numérico de a²...
Dado que a + b = 8 e ab = 17, qual é o valor numérico de a² + b²?
Dado que a + b = 8 e ab = 17, qual é o valor numérico de a² + b²?