已知椭圆,如何尺规作图确定其对称中心及其焦点位置? 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 thesePoverty, Army, Skater, Trout, Spaghetti, Fighter, Bathing suit, Measuring cup, Parents, Submarine, 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?

Mahmed Alhaj
sketch #3695


BaGaz Anggara
sketch #2836 Angry smurf maradona by BaGaz Anggara


anonymous
anonymous
sketch #5050


anonymous
anonymous
sketch #1257


anonymous
anonymous
sketch #1219


anonymous
anonymous
sketch #5176


anonymous
anonymous
sketch #4722 Ichigo by Gopal Gopi


Donara Smbatyan
sketch #1504 donara


anonymous
anonymous
sketch #4971 Rhianna by Isaiah Fantisy Godlike


anonymous
anonymous
sketch #1168


anonymous
anonymous
sketch #314 Butterfly


anonymous
anonymous
sketch #5260


anonymous
anonymous
sketch #2150 batman


anonymous
anonymous
sketch #4979 Luffy


anonymous
anonymous
sketch #3365 Igor by Johan Kennet Espinoza Moreno


anonymous
anonymous
sketch #3261


anonymous
anonymous
sketch #2022


Ainhoa White
sketch #4305 Burka,


anonymous
anonymous
sketch #5127 Captain America by Mark Phillips


anonymous
anonymous
sketch #5115


anonymous
anonymous
sketch #5316


Na Ruro
sketch #2715 Angelina


anonymous
anonymous
sketch #5083


anonymous
anonymous
sketch #3523 My World My Way by Elena Artene


Tom Kelly
sketch #12 my bear


anonymous
anonymous
sketch #5230


anonymous
anonymous
sketch #4622 Miku by Kheith Ryan Lubiano


anonymous
anonymous
sketch #4646 Panda by Raimundo Santos

tomski已知椭圆,如何尺规作图确定其对称中心及其焦点位置? 知乎 coloring