请问如何用旦德林双球证明抛物线是圆锥曲线? 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 theseCandy corn, Loafers, Yeti, Cucumber, Anthill, Chamber pot, Algae, Yak, Wanderer, Post office, 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 #5226


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


anonymous
anonymous
sketch #3431 Jimi Hendrix by Konvicted Rohit


anonymous
anonymous
sketch #3268 Werewolf by Mert Arda Yiğit


anonymous
anonymous
sketch #1899 blue


Rachel Roe
sketch #2645 Flowers in window


anonymous
anonymous
sketch #5174


anonymous
anonymous
sketch #5249 Adele - Skyfall by Mert Arda Yiğit


Rachel Roe
sketch #2644 Purple bun


Rachel Roe
sketch #2646 Buzzy bee on flowers


anonymous
anonymous
sketch #2035 Ernest Hemingway... chayrolfrypan


anonymous
anonymous
sketch #4708 Katekyo Hitman Reborn by Mário JBudo


Sam Torres
sketch #2723 by Sam Torres


anonymous
anonymous
sketch #5211


anonymous
anonymous
sketch #5327


anonymous
anonymous
sketch #4549


anonymous
anonymous
sketch #3680 Infected Mushroom by Rohit Rahul


anonymous
anonymous
sketch #3479


anonymous
anonymous
sketch #5270 Fresh prince by Fatér Szilvia


anonymous
anonymous
sketch #1216


anonymous
anonymous
sketch #5201 Ponyta by WatasHi Satemura Oke


anonymous
anonymous
sketch #5123


anonymous
anonymous
sketch #4393 ant


anonymous
anonymous
sketch #839


anonymous
anonymous
sketch #5210 I love you by Saul Mansanares


anonymous
anonymous
sketch #4881


Tom Kelly
sketch #519 The Joker


Jorge Valero
sketch #2664

tomski请问如何用旦德林双球证明抛物线是圆锥曲线? 知乎 coloring