已知一椭圆上6个点的位置(没有椭圆的图像),如何用尺规作出此椭圆的中心、焦点? 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 theseElk, Widget, Tea party, Candy apple, Pottery, Oubliette, Quiz, Skateboard, Grump, Fishing net, 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 #2989 Little Chibi by Loai Issa


anonymous
anonymous
sketch #5131 Miley Cyrus by Vannak Von


anonymous
anonymous
sketch #2922


anonymous
anonymous
sketch #5155


anonymous
anonymous
sketch #4979 Luffy


Tom Kelly
sketch #519 The Joker


anonymous
anonymous
sketch #1131 nərgiz


Helyryn
sketch #308


Rachel Roe
sketch #78 Dino-Roar


anonymous
anonymous
sketch #314 Butterfly


anonymous
anonymous
sketch #4831


Raisa Mahmud
sketch #2061


anonymous
anonymous
sketch #3350 Gerard Way by Carrieann Benthem


anonymous
anonymous
sketch #2937 Spongebob by Kalana Namikaze


anonymous
anonymous
sketch #4903 Naruto & Kurama by Fatér Szilvia


anonymous
anonymous
sketch #3586


Szabó Zoltán
sketch #2828 One Direction Szabó Zoltán


anonymous
anonymous
sketch #2318


anonymous
anonymous
sketch #3698


anonymous
anonymous
sketch #5160 Marilyn Monroe by Muhammet Karadoğan


anonymous
anonymous
sketch #4702


anonymous
anonymous
sketch #3133 Skrillex by Asfa Sajid


anonymous
anonymous
sketch #303


anonymous
anonymous
sketch #2888 Jimi Hendrix by Meen Suksoi


anonymous
anonymous
sketch #5348


anonymous
anonymous
sketch #2278 flower


anonymous
anonymous
sketch #1185


anonymous
anonymous
sketch #5281

tomski已知一椭圆上6个点的位置(没有椭圆的图像),如何用尺规作出此椭圆的中心、焦点? 知乎 coloring