Jwlee
편집 요약 없음
23:37
+118
23:35
+16
+43
23:34
+110
23:32
23:31
+18
+124
23:29
+148
새 문서: Shortest time projectile : Cycloid <math> \int dt = \int \sqrt{ dx^2 + dy^2 } / v </math>
23:28
+103
