User Manual
•w
•3
示例 求解三次方程(角度单位
=
Rad)
x
3
- 2 x
2
- x + 2
=
0
1m
22
2
3bw-cw-bwcw
41
x
x
x
=
x
x
x
=
a b i
r ∠
θ
•
•
•
•
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