长除法练习 by Mr Elliott

长除法练习 by Mr Elliott
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2013-09-28 00:27
①本范例演示了长除法算法的数学过程;②涉及的核心数学概念为长除法、整除、余数;③作图要点:使用了Random, Div, Mod, Segment, Textfield, Vector等GeoGebra命令和对象来模拟长除法的步骤;④适合小学高年级或初中生进行数学练习和算法理解。

GeoGebra 命令及参数

  1. Random(0, 9) → QuotientUnits
  2. Random(0, 9) → DivisorUnits
  3. Random(1, 4) → DivisorTens
  4. Random(1, 9) → QuotientTens
  5. Random(1, 2) → QuotientHundreds
  6. Div(Dividend, 1000) → DividendThousands
  7. Div(Mod[Dividend, 1000], 100) → DividendHundreds
  8. Div(Mod[Dividend, 100], 10) → DividendTens
  9. Mod(Dividend, 10) → DividendUnits
  10. Segment(A, B) → a
  11. Segment(B, C) → b
  12. Textfield(answer) → Question
  13. Div(QuotientHundreds * Divisor, 10) → Product1Tens
  14. Mod(QuotientHundreds * Divisor, 10) → Product1Units
  15. Segment(D, E) → c
  16. Div(RemainderTens, 10) → Difference1Tens
  17. Mod(RemainderTens, 10) → Difference1Units
  18. Vector(F, G) → u
  19. Div(QuotientTens * Divisor, 100) → Product2Hundreds
  20. Div(Mod[QuotientTens * Divisor, 100], 10) → Product2Tens
  21. Mod(QuotientTens * Divisor, 10) → Product2Units
  22. Segment(H, I) → d
  23. Div(RemainderUnits, 10) → Difference2Tens
  24. Mod(RemainderUnits, 10) → Difference2Units
  25. Vector(J, K) → v
  26. Segment(L, M) → e

AI 绘图提示语参考

画一个长除法练习的数学图形,包含随机生成的被除数、除数和商的各个位数,用线段表示每个步骤的乘积和差值,并用向量连接关键点,展示长除法的计算过程,适合小学生理解算法。
以上提示语为根据原始绘图命令整理而来,仅供参考。