已知椭圆,如何尺规作图确定其对称中心及其焦点位置? 知乎 Template




You need a modern browser try chrome, to view this.

Background image: Hide Show

View Larger Image Image Credit: zhihu.com






Try and sketch some of theseDesk, Beer, Gypsy, Quiz, Sunshine, Fire, Spaghetti, Daisy, Submarine, Muffin, view more ideas


please wait, the page is loading...

More Sketches

Take a peek at some of the sketches created by our users, are you a sketchite?

anonymous
anonymous
sketch #1138


anonymous
anonymous
sketch #4454 Lisa by Muhammad Raiyaan


anonymous
anonymous
sketch #2117


Amer Amimer
sketch #2813 Stan from South Park by Amer Amimer


anonymous
anonymous
sketch #5279


Rachel Roe
sketch #2645 Flowers in window


anonymous
anonymous
sketch #4755


anonymous
anonymous
sketch #3339 Sasuke by Jean-Benoit Renaud


anonymous
anonymous
sketch #5093 Pedro Henrique Jordan Coquet


anonymous
anonymous
sketch #3693 Lucy from Elfen Lied by Simona Honigmelone


anonymous
anonymous
sketch #5263


anonymous
anonymous
sketch #4698


anonymous
anonymous
sketch #3390 Beautiful drawing by Jessie Lightwood


anonymous
anonymous
sketch #4904


anonymous
anonymous
sketch #3508 Medusa by Nelly Panambo


anonymous
anonymous
sketch #2423


anonymous
anonymous
sketch #4653 Kero by Indike Liyanage


anonymous
anonymous
sketch #214 bugs bunny


anonymous
anonymous
sketch #1183


anonymous
anonymous
sketch #5084 Harry Potter by Enrique L. Manly


anonymous
anonymous
sketch #5011


anonymous
anonymous
sketch #1255 something


anonymous
anonymous
sketch #2549


anonymous
anonymous
sketch #313 Uchiha Sasuke


anonymous
anonymous
sketch #3012 Girl by Safa M. Esam Srk


anonymous
anonymous
sketch #5152


anonymous
anonymous
sketch #1226 the man


anonymous
anonymous
sketch #2982 Lion by Ati Gohary


anonymous
anonymous
sketch #4710

tomski已知椭圆,如何尺规作图确定其对称中心及其焦点位置? 知乎 coloring