How to say “I didn't manage to solve this problem.” in JapaneseIn Japaneseこの問題(もんだい)は解決(かいけつ)できませんでした。Kono mondai wa kaiketsu dekimasen deshita.▶ Hear it in JapaneseI didn't manage to solve this problem. in other languagesWhat I didn't manage to solve this problem. meansIn PortugueseIn French