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