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.
(3, 4) 와 (-3, -4) 가 반대임을 보여라
(3, 4) 와 (-3, -4) 가 반대임을 보여라
Natural Language
Math Input
Extended Keyboard