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Laaaange Rechnung - Dezimalzahlen

Laaaange Rechnung - Dezimalzahlen
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2021-08-18 19:28
所属专题 Wiederholung: Rechnen mit Dezimalzahlen und Brüchen
该范例演示了如何使用GeoGebra进行小数运算和操作练习。核心数学概念包括运算顺序和括号规则。作图要点涉及Textfield、Join、Element、If、Polygon等GeoGebra命令。适合小学5-6年级学生使用，用于巩固数学基础和提高计算能力。

GeoGebra 命令及参数

  1. Textfield(dInput) → InputBox14
  2. Join(Sequence[Shuffle[{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13}], i, 1, 9]) → Count
  3. Element(Count, questionCount) → count
  4. Join(Sequence[Shuffle[{1, 2, 3}], i, 1, 33]) → Layout
  5. Element(Layout, questionCount) → layout
  6. Element(MC, count, 2) → c2
  7. Element(MC, count, 1) → c1
  8. Element(MC, count, 3) → c3
  9. Element(MC, count, 5) → c5
  10. Element(MC, count, 4) → c4
  11. Element(MB, count, 2) → b2
  12. Element(MB, count, 1) → b1
  13. Element(MB, count, 3) → b3
  14. Element(MB, count, 5) → b5
  15. Element(MB, count, 4) → b4
  16. Element(MA, count, 2) → a2
  17. Element(MA, count, 1) → a1
  18. Element(MA, count, 3) → a3
  19. Element(MA, count, 4) → a4
  20. Element(MA, count, 5) → a5
  21. If(layout ≟ 1, la4, If[layout ≟ 2, lb4, If[layout ≟ 3, lc4]]) → l4
  22. Textfield(cInput) → InputBox13
  23. If(layout ≟ 1, la3, If[layout ≟ 2, lb3, If[layout ≟ 3, lc3]]) → l3
  24. Textfield(bInput) → InputBox12
  25. If(layout ≟ 1, la2, If[layout ≟ 2, lb2, If[layout ≟ 3, lc2]]) → l2
  26. Textfield(aInput) → InputBox11
  27. If(layout ≟ 1, la1, If[layout ≟ 2, lb1, If[layout ≟ 3, lc1]]) → l1
  28. Polygon(PtopLeftCornerFeedback, PtopRightCornerFeedback, PbottomRightCornerFeedback, PbottomLeftCornerFeedback) → rectangleCorrect, ptopleftcornerfeedback, ptoprightcornerfeedback, pbottomrightcornerfeedback, pbottomleftcornerfeedback
  29. Polygon(PbottomLeftCornerFeedback, PbottomRightCornerFeedback, PtopRightCornerFeedback, PtopLeftCornerFeedback) → rectangleCorrect2, f, g, h, i
  30. If(layout ≟ 1, ((l3 - floor(l3)) * 10), (l3 * 100) - (100 * floor(l3))) → l32