怎么证明椭圆的焦点弦在通径时对椭圆中心的张角最小? 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 theseCurtains, Hilltop, Sling, Moth, Cards, Pollywog, Organ, Manatee, Grump, Store, 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 #5134


anonymous
anonymous
sketch #4829


anonymous
anonymous
sketch #3581 Dante


anonymous
anonymous
sketch #4555 Mario by Alexander Volodimirovich Danilchenko


anonymous
anonymous
sketch #895


anonymous
anonymous
sketch #4503 Naruto Biju Mode by Jessie Lightwood


anonymous
anonymous
sketch #508


Cherie N Patanao
sketch #1043 Deadoo..


anonymous
anonymous
sketch #5237 Gotye by Jhonatan Soares


anonymous
anonymous
sketch #2309


anonymous
anonymous
sketch #5316


anonymous
anonymous
sketch #1289 peace within


anonymous
anonymous
sketch #5160 Marilyn Monroe by Muhammet Karadoğan


anonymous
anonymous
sketch #5197 Rihanna by Ben Hall


anonymous
anonymous
sketch #3208 ELETR by Raimundo Santos


anonymous
anonymous
sketch #5064


anonymous
anonymous
sketch #1133 vinks


anonymous
anonymous
sketch #3359 &#;In love and lonely&#; by Irul Ventura


anonymous
anonymous
sketch #4724 Turtwig by Mark Robson


anonymous
anonymous
sketch #5167


anonymous
anonymous
sketch #1114 fire flame camping bonfire


anonymous
anonymous
sketch #2877 Elvis by Karoline Castillo


anonymous
anonymous
sketch #3296


anonymous
anonymous
sketch #5323 Cem Adrian by Glynis June Williams


Donara Smbatyan
sketch #1455 donara

tomski怎么证明椭圆的焦点弦在通径时对椭圆中心的张角最小? 知乎 coloring