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 theseParasail, Poverty, Cards, Hopscotch, Swimmer, Zenith, Scarf, Peaches, Treasure, Lipstick, 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 #5066 Rey Helado by Gleny Acevedo


anonymous
anonymous
sketch #5141


anonymous
anonymous
sketch #1138


anonymous
anonymous
sketch #5325


anonymous
anonymous
sketch #5123


Jose Rondon
sketch #2772 Merry Christmas from Victor Montecinos Jose Rondon


anonymous
anonymous
sketch #2017 HEYOO


Raisa Mahmud
sketch #2061


anonymous
anonymous
sketch #4424 MJ by Nycole Prietsch


anonymous
anonymous
sketch #3154


anonymous
anonymous
sketch #4830


anonymous
anonymous
sketch #1079


anonymous
anonymous
sketch #4087 Stewie by Leon Soria Ricardo


anonymous
anonymous
sketch #2117


anonymous
anonymous
sketch #5231


anonymous
anonymous
sketch #2283 Head in a shoe


anonymous
anonymous
sketch #4971 Rhianna by Isaiah Fantisy Godlike


anonymous
anonymous
sketch #2884 Robot Shimun Yeyo Ahmed


anonymous
anonymous
sketch #654


anonymous
anonymous
sketch #3755 Panda by Roberto Castro Colimil


anonymous
anonymous
sketch #2552


Zay Lin
sketch #2087 zay lin


anonymous
anonymous
sketch #4520


anonymous
anonymous
sketch #2279 puppetsss


anonymous
anonymous
sketch #5088


anonymous
anonymous
sketch #5002 Jimi Hendrix by Piter Olimpo


anonymous
anonymous
sketch #20471


anonymous
anonymous
sketch #5059 Edward Hopper&#;s &#;Nighthawks&#; by Rosanne Zammit

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