Category:未解決問題
経済学上の未解決問題
List of unsolved problems in economicsTemplate:未解決問題
Template:Unsolved problems情報理論上の未解決問題
List of unsolved problems in information theoryパトムスキー・クレーター
Patomskiy crater医学上の未解決問題
Unsolved problems in medicine哲学上の未解決問題
List of philosophical problems地球科学上の未解決問題
List of unsolved problems in geoscience統計学上の未解決問題
List of unsolved problems in statistics天文学上の未解決問題
List of unsolved problems in astronomy懸賞金問題
Inducement prize contest未解決問題
Lists of unsolved problems