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 theseFuneral, Clippers, Diner, Doorknocker, Eggrolls, Worms, Purse handbag, Post office, Notebook, Bow and arrow, 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 #4091 Irie


Donara Smbatyan
sketch #1504 donara


anonymous
anonymous
sketch #3620 Dude by Arasheel Eomseii


anonymous
anonymous
sketch #5135 &#;Hypno Colorfull&#; by Lars Tunebo


anonymous
anonymous
sketch #3154


anonymous
anonymous
sketch #5182 Inuyasha by Sepp Herberger


anonymous
anonymous
sketch #2308


anonymous
anonymous
sketch #3107 Hitman by Miguel Edgardo Montes Cuaresma


anonymous
anonymous
sketch #3656 Igor by Vincent Baudement


anonymous
anonymous
sketch #3539 Octo by Aristo A. Kadir


anonymous
anonymous
sketch #5136


El Harouati Nassera
sketch #2810 Lennon by El Harouati Nassera


anonymous
anonymous
sketch #5212 Katy Perry by Shahid Khokhar


anonymous
anonymous
sketch #3469


anonymous
anonymous
sketch #4778


anonymous
anonymous
sketch #3698


anonymous
anonymous
sketch #3765 Happy easter!


anonymous
anonymous
sketch #5039


anonymous
anonymous
sketch #2340


anonymous
anonymous
sketch #5168


anonymous
anonymous
sketch #3683 Hellboy by Loai Issa


anonymous
anonymous
sketch #3076 Angel by Burak Turan


anonymous
anonymous
sketch #1185


anonymous
anonymous
sketch #5290 Kyuubi Jorge Valero


anonymous
anonymous
sketch #132


anonymous
anonymous
sketch #5261


anonymous
anonymous
sketch #5093 Pedro Henrique Jordan Coquet


anonymous
anonymous
sketch #5308 Taylor Swift by Gabi Ferrari


anonymous
anonymous
sketch #3390 Beautiful drawing by Jessie Lightwood

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