面白いなぞなぞ 大人向け。 【小学生から大人まで】難問クイズ18選!面白い脳トレ問題に挑戦して頭を使おう!

How many brothers and sisters are there in the family? One shark is about to bite you. Where do they bury the survivors? What goes around the world but stays in a corner?。 。 。 。 。 。
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