自我测试：因式分解练习

GeoGebra 命令及参数

1. RandomElement(list3) → b
2. If(level ≟ 1, 1, level ≟ 2, RandomElement[list2], RandomElement[list4]) → a
3. GCD(a, b) → hcf1
4. Polynomial((aa * x) + bb) → h
5. RandomElement(list3) → d
6. If(level ≟ 1, 1, level ≟ 2, RandomElement[list2], RandomElement[list5]) → c
7. GCD(c, d) → hcf2
8. Polynomial((cc * x) + dd) → p
9. Polynomial(f) → g
10. LaTeX("\text{Factorise }" + g) → text1
11. Polygon(A, B, C, D) → poly1, a_1, b_1, c_1, d_1
12. Point(d_1) → E
13. Point(b_1) → F
14. Segment(E, F) → i
15. Segment(G, H) → j
16. Segment(I, J) → k
17. Point(d_1) → K
18. Point(b_1) → L
19. Segment(K, L) → l
20. SelectedElement(list6) → aAns
21. SelectedElement(list7) → bAns
22. SelectedElement(list8) → cAns
23. SelectedElement(list9) → dAns
24. LaTeX(Polynomial[(aAns * x)]) → text4
25. LaTeX(bAns) → text5
26. LaTeX(Polynomial[(cAns * x)]) → text2
27. LaTeX(dAns) → text6
28. LaTeX(Polynomial[((aAns * cAns) * x^(2))]) → text7
29. LaTeX(Polynomial[((aAns * dAns) * x)]) → text8
30. LaTeX(Polynomial[((bAns * cAns) * x)]) → text9
31. LaTeX(Polynomial[(bAns * dAns)]) → text10
32. Polynomial(((aAns * cAns) * x^(2)) + (((aAns * dAns) + (bAns * cAns)) * x) + (bAns * dAns)) → ans
33. Polynomial(((aa * cc) * x^(2)) + (((aa * dd) + (bb * cc)) * x) + (bb * dd)) → correct
34. LaTeX("\text{Your expression expands to }" + ans + "\cr \text{which is" + (If[ans ≟ g, " ", " not "]) + "correct}") → text11
35. LaTeX("\text{My answer is }" + (LaTeX[f])) → text12
36. LaTeX("\left( \phantom{99999}x+\phantom{99999} \right) \left(\phantom{99999} x+\phantom{99999} \right)") → text3