问各位大佬一个简单的数学问题,但本人太笨不会。想知道一下详细解释,如下图,该怎么证明? 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 theseWelder, Panda, Office, Hutch, Disco, Leech, Bolo tie, Guillotine, Backpack, Crochet, 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?

sketchmaster
sketch #2457 cool beans brother


anonymous
anonymous
sketch #5232 Avril by Teresa Temacha


anonymous
anonymous
sketch #5347


anonymous
anonymous
sketch #3683 Hellboy by Loai Issa


anonymous
anonymous
sketch #5116 Bleach by Vrushali Rane


anonymous
anonymous
sketch #3871


anonymous
anonymous
sketch #3274


anonymous
anonymous
sketch #4901 Adventure Time by Louisette Alain


anonymous
anonymous
sketch #2977 Spongebob Germaine Hoens


anonymous
anonymous
sketch #3381 DBZ by Adidtzu Ady


anonymous
anonymous
sketch #5039


anonymous
anonymous
sketch #4190


anonymous
anonymous
sketch #303


anonymous
anonymous
sketch #1216


anonymous
anonymous
sketch #895


anonymous
anonymous
sketch #5330 Frozen by Amanda Kachadurian


Rachel Roe
sketch #669 Cluck


anonymous
anonymous
sketch #3236 Sunset by Aaron Bahary


Donara Smbatyan
sketch #1447 donara


Rachel Roe
sketch #113


anonymous
anonymous
sketch #5129 Konata Izumi by Urs Stefan


Mahmed Alhaj
sketch #3695


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


anonymous
anonymous
sketch #5063 Super Meat Boy by Alexander Volodimirovich Danilchenko

tomski问各位大佬一个简单的数学问题,但本人太笨不会。想知道一下详细解释,如下图,该怎么证明? 知乎 coloring