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 theseDonkey, Noose, Calliope, Sunhat, Tongue, Trail, Crown, Beets, Ghost, Sunflower, 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 #4948 Snow White by George Lucaz


anonymous
anonymous
sketch #5227


sketchmaster
sketch #2588 Buble by sketchmaster


anonymous
anonymous
sketch #3290 Calvin and Hobbes by অনন্ত জলিল


Amer Amimer
sketch #2813 Stan from South Park by Amer Amimer


anonymous
anonymous
sketch #5154


anonymous
anonymous
sketch #5350


anonymous
anonymous
sketch #5341 Rafael Nadal by Alina Danielle


anonymous
anonymous
sketch #5192


anonymous
anonymous
sketch #4385


anonymous
anonymous
sketch #5166 Jigsaw by Gisele Siqueira Zanni


Lucy Barnard
sketch #245 Fishy


anonymous
anonymous
sketch #1953 愛鼠繪


anonymous
anonymous
sketch #5204


Helyryn
sketch #297 Fish


anonymous
anonymous
sketch #5314


anonymous
anonymous
sketch #5083


anonymous
anonymous
sketch #4661 Woodpecker by Hsien-Ying Hsieh


anonymous
anonymous
sketch #4882 Monsters University by John Davis


anonymous
anonymous
sketch #5324 Angelina Jolie - Maleficent by Lucas Fajardo


anonymous
anonymous
sketch #4503 Naruto Biju Mode by Jessie Lightwood


anonymous
anonymous
sketch #5202 The Woman by Céline Chalois


anonymous
anonymous
sketch #5158 Till Lindemann by Cristina Love


anonymous
anonymous
sketch #5052 Gorillaz by Rafał Dawid


anonymous
anonymous
sketch #3092


Raisa Mahmud
sketch #2058

tomski请问如何用旦德林双球证明抛物线是圆锥曲线? 知乎 coloring