File talk:Elipse.svg
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The distance from F1 to the center of elipse is not "e.a" but only "e". — Preceding unsigned comment was added by 82.100.44.192 (talk) 12:21, 31 July 2016 (UTC)
The distance from F1 to the center of elipse is not "e.a" but only "e". — Preceding unsigned comment was added by 82.100.44.192 (talk) 12:21, 31 July 2016 (UTC)[回覆]
