Răspuns :
248=>>247+249=496
318=>>317+319=636
389=>>488+490=978
456=>>455+457=912
108=>>107+109=216
363=>>362+364=726
318=>>317+319=636
389=>>488+490=978
456=>>455+457=912
108=>>107+109=216
363=>>362+364=726