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