Uh oh! Wolfram|Alpha doesn't run without JavaScript.
Please enable JavaScript. If you don't know how, you can find instructions
here
.
Once you've done that, refresh this page to start using Wolfram|Alpha.
求过 (0, 0), (4, 0), (2, 3) 且长轴水平的椭圆。
求过 (0, 0), (4, 0), (2, 3) 且长轴水平的椭圆。
Natural Language
Math Input
Extended Keyboard
