simplify {{1, 2, 3}, {1, 2, 3}, {1, 2, 3}}=={{2, 4, 6}, {2, 4, 6}, {2, 4, 6}}/2

Uh oh! Wolfram|Alpha doesn't run without JavaScript.

Please enable JavaScript. If you don't know how, you can find instructionshere.Once you've done that, refresh this page to start using Wolfram|Alpha.