一元三次方程求解!求大神把解算出来!0.3413102461988725 - 2.219832143432123a +2.898383751a^2 -a^3 =0  用软件算的精准些!谢谢!

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一元三次方程求解!求大神把解算出来!0.3413102461988725 - 2.219832143432123a +2.898383751a^2 -a^3 =0  用软件算的精准些!谢谢!

一元三次方程求解!求大神把解算出来!0.3413102461988725 - 2.219832143432123a +2.898383751a^2 -a^3 =0  用软件算的精准些!谢谢!
一元三次方程求解!求大神把解算出来!
0.3413102461988725 - 2.219832143432123a +2.898383751a^2 -a^3 =0  用软件算的精准些!谢谢!

一元三次方程求解!求大神把解算出来!0.3413102461988725 - 2.219832143432123a +2.898383751a^2 -a^3 =0  用软件算的精准些!谢谢!
ans =
0.2045116093175629026204734292396
0.96571072738635044474157809382754
1.7281614142960866526379484769329