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 theseDrums, Baseball mitt, Unicycle, Diamond Ring, Dice, Tick, Genius, Radio, Quiver, Dessert cart, 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 #3667


anonymous
anonymous
sketch #5180


anonymous
anonymous
sketch #5258 Adventure Time by Kheith Ryan Lubiano


anonymous
anonymous
sketch #5228 Rin & Len by Mark Phillips


anonymous
anonymous
sketch #5227


anonymous
anonymous
sketch #1927


anonymous
anonymous
sketch #2582


anonymous
anonymous
sketch #5436


anonymous
anonymous
sketch #4087 Stewie by Leon Soria Ricardo


anonymous
anonymous
sketch #4695


anonymous
anonymous
sketch #1643


Donara Smbatyan
sketch #1455 donara


Tom Kelly
sketch #645


anonymous
anonymous
sketch #4688


anonymous
anonymous
sketch #3753


anonymous
anonymous
sketch #3385


anonymous
anonymous
sketch #3226 Goth Face


anonymous
anonymous
sketch #921 comics ufo


anonymous
anonymous
sketch #5102 Old Man by Cuong Pham


anonymous
anonymous
sketch #5100 Shadow by An Nguyen


anonymous
anonymous
sketch #1695


anonymous
anonymous
sketch #4972


anonymous
anonymous
sketch #5275


anonymous
anonymous
sketch #3476 Happy valentines day! Simona Honigmelone


anonymous
anonymous
sketch #5061


anonymous
anonymous
sketch #2877 Elvis by Karoline Castillo


Benjo Arellano
sketch #779 Gol D Roger


anonymous
anonymous
sketch #1068 dançando


Donara Smbatyan
sketch #1454 donara

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