边长比为789的三角形中,有三条抛物线d,e,f,它们分别内切于三个问它们的焦点可以重合么? 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 thesePrincess, Trout, Rice, Trapeze, Worms, Treasure, Sprouts, Police, Parcel, Jewelry, 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 #3708


anonymous
anonymous
sketch #933 mts


anonymous
anonymous
sketch #5131 Miley Cyrus by Vannak Von


anonymous
anonymous
sketch #4937 Favorite animal competition runner-up: White Tiger by Deepak Kaushik


anonymous
anonymous
sketch #3701 amazing Skull


anonymous
anonymous
sketch #2070


anonymous
anonymous
sketch #4929


Tom Kelly
sketch #521 A hungry caterpillar


anonymous
anonymous
sketch #4902


anonymous
anonymous
sketch #5283


anonymous
anonymous
sketch #5264


anonymous
anonymous
sketch #5049


anonymous
anonymous
sketch #654


anonymous
anonymous
sketch #649


Mahmed Alhaj
sketch #3695


anonymous
anonymous
sketch #2877 Elvis by Karoline Castillo


Rachel Roe
sketch #664 Spider on a plant pot


anonymous
anonymous
sketch #3499 Alien Laura Gutierrez Hinojosa


anonymous
anonymous
sketch #4900 Moonlight by Abdelwahab Haik


anonymous
anonymous
sketch #1255 something


anonymous
anonymous
sketch #961


anonymous
anonymous
sketch #5297 Journey by Dmitry Sidorenko


anonymous
anonymous
sketch #5125


Rachel Roe
sketch #25 Suzzy the stegosaurus


anonymous
anonymous
sketch #5290 Kyuubi Jorge Valero


anonymous
anonymous
sketch #5278 Cosmos by Jenna Khoùlix�


anonymous
anonymous
sketch #5436


anonymous
anonymous
sketch #5053

tomski边长比为789的三角形中,有三条抛物线d,e,f,它们分别内切于三个问它们的焦点可以重合么? 知乎 coloring