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
地球科学上の未解決問題
List of unsolved problems in geoscienceTemplate: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
経済学上の未解決問題
List of unsolved problems in economics
懸賞金問題
Inducement prize contest
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
パトムスキー・クレーター
Patomskiy crater
統計学上の未解決問題
List of unsolved problems in statistics