请问各位这道题怎么证明if是平行四边形中线? 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 theseRake, Tongue, Plow, Elevator, Satellite, Pumps, Maid, Anthill, Seashells, Sleepyhead, 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?

Ainhoa White
sketch #4305 Burka,


anonymous
anonymous
sketch #4031


anonymous
anonymous
sketch #4053


anonymous
anonymous
sketch #5340 Amazing Dragon


anonymous
anonymous
sketch #4905 The Little Prince by Gaurav Patel


anonymous
anonymous
sketch #1041 strawberries


anonymous
anonymous
sketch #3506 Goku by Saul Mansanares


anonymous
anonymous
sketch #5347


anonymous
anonymous
sketch #4055


anonymous
anonymous
sketch #3604 Falling Manipati Surya


Donara Smbatyan
sketch #1454 donara


anonymous
anonymous
sketch #4987


anonymous
anonymous
sketch #4532


anonymous
anonymous
sketch #3631


anonymous
anonymous
sketch #1652


Donara Smbatyan
sketch #1448 donara


Jorge Valero
sketch #2735


anonymous
anonymous
sketch #3247 Thor by Juvenilia Alexandrino


anonymous
anonymous
sketch #5152


anonymous
anonymous
sketch #2178


anonymous
anonymous
sketch #3581 Dante


Zorka Edding Giustinianovic
sketch #2852 Teddy Zorka Edding Giustinianovic


anonymous
anonymous
sketch #1232 Dylan Thomas


anonymous
anonymous
sketch #1082 Seher 6 years


anonymous
anonymous
sketch #5323 Cem Adrian by Glynis June Williams


anonymous
anonymous
sketch #5297 Journey by Dmitry Sidorenko


anonymous
anonymous
sketch #389

tomski请问各位这道题怎么证明if是平行四边形中线? 知乎 coloring