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 theseMeasuring cup, Island, Calipers, Miniature horse, Breadbox, Jeweler, Soup, Truck, Lunch, Farm, 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?

Zay Lin
sketch #2087 zay lin


Tom Kelly
sketch #12 my bear


Marlyn Ortiz
sketch #2030


anonymous
anonymous
sketch #3871


anonymous
anonymous
sketch #5264


anonymous
anonymous
sketch #5259


anonymous
anonymous
sketch #5327


anonymous
anonymous
sketch #4905 The Little Prince by Gaurav Patel


anonymous
anonymous
sketch #3510 Edward from FMA by Raman Chauhan


anonymous
anonymous
sketch #5260


anonymous
anonymous
sketch #5053


anonymous
anonymous
sketch #3727 Stitch by Louis Tradieu


anonymous
anonymous
sketch #3226 Goth Face


anonymous
anonymous
sketch #4209 bushy


Rachel Roe
sketch #113


anonymous
anonymous
sketch #3381 DBZ by Adidtzu Ady


anonymous
anonymous
sketch #3092


Jorge Valero
sketch #2664


anonymous
anonymous
sketch #5343


anonymous
anonymous
sketch #5351


sketchmaster
sketch #2460 Zayn Malik of One Direction by sketchmaster


anonymous
anonymous
sketch #5095 Lion by Frederic Knauer


anonymous
anonymous
sketch #2025


sketchmaster
sketch #2638 Cliff cool


Ines Galeana
sketch #2844 Geist Ines Galeana

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