Last Updated：2025/11/27
Sentence
そのパズルの解決可能性は、解くことが不可能だと予想していた研究者たちを驚かせた。
Quizzes for review
The solvableness of the puzzle surprised the researchers, who had expected it to be intractable.
See correct answer
The solvableness of the puzzle surprised the researchers, who had expected it to be intractable.
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