多项式乘法演示

GeoGebra 命令及参数

1. RandomElement({-6, -5, -4, -3, -2, -1, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10}) → b
2. RandomElement({1, 1, 1, 1, 1, 1, 1, 2, 3, 4, 5, 6, 7, 10}) → b1
3. Simplify((bcx * x) + b) → g2
4. RandomElement({1, 1, 1, 2, 2, 2, 2, 2, 3, 3, 3, 5, 7, 9}) → a1
5. RandomElement({-3, -2, -1, 2, 2, 2, 3, 3, 5, 5}) → a0
6. Random(-6, 10) → a
7. Simplify((acx * x) + a) → g1
8. Expand(g3) → g4
9. Expand(h1) → h2
10. Simplify(x - a) → p1
11. Simplify(x - (-a)) → p2
12. Expand(p3) → p4
13. Factor(x^(2) - ((a + b) * x) + (a * b)) → r
14. Textfield(stf) → InputBox1
15. Simplify(x - a) → f1
16. If(a ≟ b, f3, r) → f4
17. Text(stf) → stftext
18. Defined(IndexOf[")", stftext]) → e
19. If(Level ≟ 1, f, If[Level ≟ 2, p4, If[Level ≟ 3, g4, h2]]) → answertext
20. If(Level ≟ 1, r, If[Level ≟ 2, p3, If[Level ≟ 3, g3, h1]]) → q
21. Length(Text[g4]) → ganslength
22. Length(Text[f]) → fanslength
23. Length(Text[h2]) → hanslength
24. Length(Text[f4]) → fnanslength
25. Length(Text[g3]) → gnanslength
26. Length(Text[h1]) → hnanslength
27. Length(stftext) → stflength
28. Length(Text[p4]) → panslength