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.
{{ 1, 2, 3 }, {4, 5, 6 }, {7, 8, 0 }} 的 3x3 行列式。（答：27。）
{{ 1, 2, 3 }, {4, 5, 6 }, {7, 8, 0 }} 的 3x3 行列式。（答：27。）
Natural Language
Math Input
Extended Keyboard
