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.
解 \begincases 0,1 x + 0,2 y = 0,3 }, {0,4 x - 0,5 y = 0,1 \endcases ——先乘以10。
解 \begincases 0,1 x + 0,2 y = 0,3 }, {0,4 x - 0,5 y = 0,1 \endcases ——先乘以10。
Natural Language
Math Input
Extended Keyboard