20000x²+30000x+10000＝10980.

来源：学生作业帮助网编辑：六六作业网时间：2025/02/01 09:20:10

20000x²+30000x+10000＝10980.20000x²+30000x+10000＝10980.20000x²+30000x+10000＝10980.0.01

20000x²+30000x+10000＝10980.
20000x²+30000x+10000＝10980.

20000x²+30000x+10000＝10980.
0.0196096