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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 Em uma p. a.,a1=-7 e r=2. calcule o vigésimo termo.
Em uma p. a.,a1=-7 e r=2. calcule o vigésimo termo.
Em uma p. a.,a1=-7 e r=2. calcule o vigésimo termo.