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.
(x1+x2+x3) mod 5 = 1, (x1-x2) mod 5 = 2, (x2+x3) mod 5 =3
(x1+x2+x3) mod 5 = 1, (x1-x2) mod 5 = 2, (x2+x3) mod 5 =3
Natural Language
Math Input
Extended Keyboard
