利用代入法解方程和不等式

GeoGebra 命令及参数

1. Shuffle(Sequence[15]) → problType, {6, 14, 3, 13, 7, 1, 9, 11, 4, 12, 15, 5, 10, 2, 8}
2. Element(problType, Mod[count, Length[problType]] + 1) → valType
3. Shuffle(Sequence[t, t, 2, 5, 1]) → allA, {4, 2, 5, 3}
4. Element(allA, Mod[count, Length[allA]] + 1) → valA
5. Shuffle(Sequence[t, t, 2, 5, 1]) → allB, {4, 5, 2, 3}
6. Element(allB, Mod[count, Length[allB]] + 1) → valB
7. Shuffle(Sequence[t, t, 6, 9, 1]) → allC, {9, 7, 8, 6}
8. Element(allC, Mod[count, Length[allC]] + 1) → valC
9. SelectedIndex(dd7) → is7
10. SelectedIndex(dd15) → is15
11. SelectedIndex(dd14) → is14
12. SelectedIndex(dd13) → is13
13. SelectedIndex(dd12) → is12
14. SelectedIndex(dd11) → is11
15. SelectedIndex(dd10) → is10
16. SelectedIndex(dd9) → is9
17. SelectedIndex(dd8) → is8
18. SelectedIndex(dd6) → is6
19. SelectedIndex(dd5) → is5
20. SelectedIndex(dd4) → is4
21. SelectedIndex(dd3) → is3
22. SelectedIndex(dd1) → is1
23. SelectedIndex(dd2) → is2
24. Element(allA, Mod[countQuestion, 15] + 1) → randomNum2
25. Element(problType, Mod[countQuestion, 20] + 1) → randomNum1
26. Textfield(input1) → InputBox1
27. Textfield(input2) → InputBox2
28. Polygon(Zip[PixelsToPoint[Corner[1], Corner[3], Corner[5], A], A, {(pixelsLeft, pixelsTop), (pixelsLeft, y(Corner[5]) - pixelsBottom), Corner[5] - (pixelsRight, pixelsBottom), (x(Corner[5]) - pixelsRight, pixelsTop)}]) → borderBox
29. Corner(5) → layoutAppSize
30. Segment(A, B) → displaySegment
31. expandSegment(A, B, (pulsing * 7), Corner[1], Corner[3], Corner[5]) → pulsingObject
32. onboardingTextOffset(Corner[onboardingText, 1], Corner[onboardingText, 3], onboardingCase, Corner[1], Corner[3], Corner[5]) → OnboardingTextOffset
33. Element({If[layoutX ≟ 16, layoutX - 5, 11], layoutX - 5}, layoutCase) → layoutHintSolnX