九きゅう百ひゃく 九きゅう十じゅう 九きゅうkyuuhyaku kyuuzyuu kyuu999Breakdown of kyuuhyaku kyuuzyuu kyuu九きゅうkyuunine九きゅう十じゅうkyuuzyuu90九きゅう百ひゃくkyuuhyaku900Elon.io is an online learning platformWe have hundreds of Japanese lessons and thousands of exercises.Start learning Japanese nowYour questions are stored by us to improve Elon.io