一个四面体的展开图是一个三角形,当且仅当这个四面体为正四面体,三角形为正三角形,对吗? 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 theseCandle, Moonshine, Tweezers, Flag, Gourd, Carrots, Milk, Pregnant woman, Chainmail, Elixir, 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 #5160 Marilyn Monroe by Muhammet Karadoğan


anonymous
anonymous
sketch #1255 something


anonymous
anonymous
sketch #4605 Goku by Jayme Sousa


sketchmaster
sketch #2486 Face by sketchmaster


anonymous
anonymous
sketch #3378


anonymous
anonymous
sketch #4939 Zelda by Jeanie Wagenknecht


anonymous
anonymous
sketch #5327


anonymous
anonymous
sketch #2178


anonymous
anonymous
sketch #5190 That Night by Nînâ Yämâhä


Jocelyn Alejandra Rantul
sketch #2678 Portrait by Jocelyn Alejandra Rantul


Donara Smbatyan
sketch #1435 donara


anonymous
anonymous
sketch #3617 D from Gorillaz by Joselyne Angel Gormaz


anonymous
anonymous
sketch #859 meyvalar


anonymous
anonymous
sketch #3388 Fight Club by Alvaro Velasquez


Cristina Love
sketch #2788 Yuno Gasai from Mirai Nikki by Cristina Love


anonymous
anonymous
sketch #3375


anonymous
anonymous
sketch #2554


anonymous
anonymous
sketch #4901 Adventure Time by Louisette Alain


anonymous
anonymous
sketch #3174 John Snow Helga Fon Stein


Tom Kelly
sketch #4 Nirvana Smiley


anonymous
anonymous
sketch #5124 Tony Tony Chopper by 陳一夫


anonymous
anonymous
sketch #717


anonymous
anonymous
sketch #5002 Jimi Hendrix by Piter Olimpo


anonymous
anonymous
sketch #4769 Finn and Jake by Neo Ʀazor


anonymous
anonymous
sketch #3439 Aralé by Malyi Link


anonymous
anonymous
sketch #5278 Cosmos by Jenna Khoùlix�


anonymous
anonymous
sketch #4916


anonymous
anonymous
sketch #5280


anonymous
anonymous
sketch #3599 Lovely pencil face


anonymous
anonymous
sketch #5151

tomski一个四面体的展开图是一个三角形,当且仅当这个四面体为正四面体,三角形为正三角形,对吗? 知乎 coloring