地图着色的终极�战:为什么四色定理无法简化为三色? 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 theseTent, Square, Mosque, Office, Magician, Chicken chook, Oboe, Aquarium, Peacock, Nun, 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 #3459 BLUE from fosters imagenary friends


anonymous
anonymous
sketch #4868 Pokemons! by Ammed Hjb


anonymous
anonymous
sketch #5228 Rin & Len by Mark Phillips


anonymous
anonymous
sketch #4734 Timon by Anh Vu


anonymous
anonymous
sketch #5077 Light of Hope by Itz Rakhi


anonymous
anonymous
sketch #4852


anonymous
anonymous
sketch #4031


anonymous
anonymous
sketch #2144


Raisa Mahmud
sketch #2058


Ainhoa White
sketch #4301


anonymous
anonymous
sketch #4834 Aayla Secura by Nînâ Yämâhä


anonymous
anonymous
sketch #4869 Madara by Jean-Benoit Renaud


sketchmaster
sketch #2616 Green Day by sketchmaster


anonymous
anonymous
sketch #5415


anonymous
anonymous
sketch #5103


anonymous
anonymous
sketch #2150 batman


anonymous
anonymous
sketch #3071 Metallica - Kill &#;Em All by Dayana Aleman


anonymous
anonymous
sketch #3425 &#;Tonari no Kaibutsu-kun&#; by Betty Marie Melzer


anonymous
anonymous
sketch #4891 Pikachu by Resul Danacı


anonymous
anonymous
sketch #4916


Saifa Mahmud
sketch #1670


anonymous
anonymous
sketch #5061


anonymous
anonymous
sketch #4760


anonymous
anonymous
sketch #4300 República, comunismo, libertad


anonymous
anonymous
sketch #4383 4383


anonymous
anonymous
sketch #5190 That Night by Nînâ Yämâhä


anonymous
anonymous
sketch #4970


anonymous
anonymous
sketch #895

tomski地图着色的终极�战:为什么四色定理无法简化为三色? 知乎 coloring