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 theseHorse, Party, Cat burglar, Ice cream parlor, Billionaire, Gizmo, Teacher, Lipstick, Cuttlefish, Butterfly, 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 #1131 nərgiz


anonymous
anonymous
sketch #4796


anonymous
anonymous
sketch #3365 Igor by Johan Kennet Espinoza Moreno


anonymous
anonymous
sketch #270


anonymous
anonymous
sketch #3247 Thor by Juvenilia Alexandrino


anonymous
anonymous
sketch #5437 Mikasa from Attack on Titan by Manimarmuthu Muthu


anonymous
anonymous
sketch #3999 Deadmau by Speeð Üp Säm


anonymous
anonymous
sketch #5199 Catface by Noeli Racioppo


anonymous
anonymous
sketch #1459 khvjkhu


anonymous
anonymous
sketch #1079


anonymous
anonymous
sketch #4766 The Little Mermaid by Zizou Aiman


anonymous
anonymous
sketch #3688


anonymous
anonymous
sketch #3469


anonymous
anonymous
sketch #2283 Head in a shoe


anonymous
anonymous
sketch #4876 Luffy by Nycole Prietsch


anonymous
anonymous
sketch #4829


anonymous
anonymous
sketch #4882 Monsters University by John Davis


anonymous
anonymous
sketch #3290 Calvin and Hobbes by অনন্ত জলিল


anonymous
anonymous
sketch #4700


anonymous
anonymous
sketch #3818 เดียวจะวาดใหม่ยังไม่เสร็จๆ


anonymous
anonymous
sketch #1545


anonymous
anonymous
sketch #3765 Happy easter!


anonymous
anonymous
sketch #4665 Iron Maiden EDDIE by Jenna Khoùlix�


anonymous
anonymous
sketch #4319


anonymous
anonymous
sketch #5346


anonymous
anonymous
sketch #2937 Spongebob by Kalana Namikaze


anonymous
anonymous
sketch #1652


anonymous
anonymous
sketch #5136


anonymous
anonymous
sketch #20215 Desert

tomski请问如何用旦德林双球证明抛物线是圆锥曲线? 知乎 coloring