已知椭圆,如何尺规作图确定其对称中心及其焦点位置? 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 theseBaloney, Hourglass, Moose, Seahorse, Mobile, Airship, Sled, Whale, Rowboat, Statue, 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 #3567 Worried Girl by Juvenilia Alexandrino


anonymous
anonymous
sketch #508


anonymous
anonymous
sketch #3908 Rawr! by Timothy Palfreyman


Lucy Barnard
sketch #249 Rocket


anonymous
anonymous
sketch #5211


anonymous
anonymous
sketch #1076


anonymous
anonymous
sketch #5178 Mewtwo and Transformation by Riley Hart


anonymous
anonymous
sketch #4351


anonymous
anonymous
sketch #5141


anonymous
anonymous
sketch #4901 Adventure Time by Louisette Alain


anonymous
anonymous
sketch #4987


anonymous
anonymous
sketch #5011


anonymous
anonymous
sketch #5348


anonymous
anonymous
sketch #3344 Homer by Samuel Roberto


anonymous
anonymous
sketch #4855


Marlyn Ortiz
sketch #2029 GOD 'S PROMISE ...


anonymous
anonymous
sketch #1133 vinks


anonymous
anonymous
sketch #3367 Ichigo by Szymon Broszczak


anonymous
anonymous
sketch #4386 Freddie Mercury by Павел Павлов


anonymous
anonymous
sketch #5330 Frozen by Amanda Kachadurian


anonymous
anonymous
sketch #280


anonymous
anonymous
sketch #4835 L from Death Note by Adidtzu Ady


anonymous
anonymous
sketch #4566 Edward Scissorhands by Angel Ördoñez


anonymous
anonymous
sketch #1255 something

tomski已知椭圆,如何尺规作图确定其对称中心及其焦点位置? 知乎 coloring