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 thesePanther, Twins, Bathing suit, Owl, Lily, Barometer, Surfer, Ferris wheel, Bicycle, Truck, 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 #1221 səhər abbasova gözəi qız hamı məni çox seve anam da çox sevir


anonymous
anonymous
sketch #5258 Adventure Time by Kheith Ryan Lubiano


anonymous
anonymous
sketch #1226 the man


anonymous
anonymous
sketch #1079


anonymous
anonymous
sketch #5153 Random Access Memories by Khin Nyunt


anonymous
anonymous
sketch #4834 Aayla Secura by Nînâ Yämâhä


anonymous
anonymous
sketch #4895 Cat by Gaurav Patel


anonymous
anonymous
sketch #5271


anonymous
anonymous
sketch #5086 Lion by Z Ionut Ady


Cristina Love
sketch #2788 Yuno Gasai from Mirai Nikki by Cristina Love


anonymous
anonymous
sketch #894 hmmm


sketchmaster
sketch #2628 Black haired women


anonymous
anonymous
sketch #5052 Gorillaz by Rafał Dawid


anonymous
anonymous
sketch #3608 Skeleton king by Thania Arruda


anonymous
anonymous
sketch #1846 zay


anonymous
anonymous
sketch #5213


anonymous
anonymous
sketch #4702


anonymous
anonymous
sketch #5163


anonymous
anonymous
sketch #1232 Dylan Thomas


anonymous
anonymous
sketch #5185


anonymous
anonymous
sketch #4640 Serj Tankian by Dav Guzman Mendoza


anonymous
anonymous
sketch #288 RK


anonymous
anonymous
sketch #3375


sketchmaster
sketch #2624 Pikachu by sketchmaster


anonymous
anonymous
sketch #5158 Till Lindemann by Cristina Love


anonymous
anonymous
sketch #4087 Stewie by Leon Soria Ricardo


anonymous
anonymous
sketch #2959 manga girl blue hair

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