怎么证明椭圆的焦点弦在通径时对椭圆中心的张角最小? 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 theseEyeball, Sprinkles, Cantaloupe, Pioneer, Sunflower, Chili, Tramway, Yarn, Baseball mitt, Bedroom, 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 #4702


anonymous
anonymous
sketch #3339 Sasuke by Jean-Benoit Renaud


anonymous
anonymous
sketch #5415


anonymous
anonymous
sketch #5177


anonymous
anonymous
sketch #2082 mash


sketchmaster
sketch #2635 Zoidberg by sketchmaster


anonymous
anonymous
sketch #2549


Na Ruro
sketch #2715 Angelina


anonymous
anonymous
sketch #5137 Happy Halloween! by Guillaume Ballieu


anonymous
anonymous
sketch #3586


anonymous
anonymous
sketch #5123


ShopRasta Roots
sketch #2787 Spongebob by ShopRasta Roots


anonymous
anonymous
sketch #5140 Jigsaw by Lajla Nygaard Laursen


anonymous
anonymous
sketch #4232 Tobirama by Kadi Kader


anonymous
anonymous
sketch #3643


anonymous
anonymous
sketch #600


anonymous
anonymous
sketch #5119


anonymous
anonymous
sketch #3151 Spaceship Nessa Kira Hellsing


anonymous
anonymous
sketch #2337


anonymous
anonymous
sketch #5343


anonymous
anonymous
sketch #3258


anonymous
anonymous
sketch #1122 norooz


Nina Mercedez
sketch #2849 dj


anonymous
anonymous
sketch #3510 Edward from FMA by Raman Chauhan


anonymous
anonymous
sketch #4979 Luffy


anonymous
anonymous
sketch #4368


anonymous
anonymous
sketch #5207 Gorilla by Jean-Benoit Renaud


anonymous
anonymous
sketch #3420

tomski怎么证明椭圆的焦点弦在通径时对椭圆中心的张角最小? 知乎 coloring