Category:未解決問題
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情報理論上の未解決問題
List of unsolved problems in information theory哲学上の未解決問題
List of philosophical problems経済学上の未解決問題
List of unsolved problems in economicsTemplate:未解決問題
Template:Unsolved problems懸賞金問題
Inducement prize contest天文学上の未解決問題
List of unsolved problems in astronomy未解決問題
Lists of unsolved problems