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有理数乘法演示

有理数乘法演示
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2018-04-17 19:56
函数解析几何滑块动画函数图像
①本范例通过动态交互演示有理数的乘法运算及其几何意义；②涉及核心数学概念包括有理数、乘法运算、几何表示、函数图像；③构造要点：使用Textfield命令创建文本输入输出，结合button命令实现交互控制，涉及对象包括y5, yn4, yn3, yn2, yn1, y0, y1, y2, y3, y4, yn5, y1p5, yn1p5, xn5, xn4, xn3p2, xn3, xn2, xn1, x0, x1, x2, x3, x4, x5, x3p2, a, b, c, d, e, f, g, h, i, j, k等变量和函数；④适合初中及以上数学教学，用于理解有理数乘法性质及函数图像变化。

GeoGebra 命令及参数

  1. Textfield(a) → Box00
  2. Textfield(a) → Box01
  3. Textfield(a) → Box01p5
  4. Textfield(a) → Box02
  5. Textfield(a) → Box03
  6. Textfield(a) → Box04
  7. Textfield(a) → Box05
  8. Textfield(a) → Box10
  9. Textfield(a) → Box20
  10. Textfield(a) → Box30
  11. Textfield(a) → Box40
  12. Textfield(b) → Box11
  13. Textfield(c) → Box12
  14. Textfield(d) → Box13
  15. Textfield(e) → Box14
  16. Textfield(f) → Box15
  17. Textfield(d) → Box31
  18. Textfield(c) → Box21
  19. Textfield(e) → Box41
  20. Textfield(e) → Box22
  21. Textfield(g) → Box23
  22. Textfield(g) → Box32
  23. Textfield(h) → Box24
  24. Textfield(h) → Box42
  25. Textfield(j) → Box25
  26. Textfield(i) → Box33
  27. Textfield(k) → Box34
  28. Textfield(k) → Box43
  29. Textfield(l) → Box35
  30. Textfield(m) → Box44
  31. Textfield(n) → Box45
  32. Textfield(p) → Box11p5
  33. Textfield(d) → Box21p5
  34. Textfield(q) → Box31p5
  35. Textfield(g) → Box41p5
  36. Textfield(a) → Box3p20
  37. Textfield(v) → Box3p21
  38. Textfield(s) → Box3p22
  39. Textfield(r) → Box3p21p5
  40. Textfield(t) → Box3p23
  41. Textfield(u) → Box3p24
  42. Textfield(m) → Box3p25
  43. Textfield(T0n1) → Box0n1
  44. Textfield(T0n1p5) → Box0n1p5
  45. Textfield(T0n2) → Box0n2
  46. Textfield(T0n3) → Box0n3
  47. Textfield(T0n4) → Box0n4
  48. Textfield(T0n5) → Box0n5
  49. Textfield(T1n1) → Box1n1
  50. Textfield(T1n1p5) → Box1n1p5
  51. Textfield(T1n2) → Box1n2
  52. Textfield(T1n3) → Box1n3
  53. Textfield(T1n4) → Box1n4
  54. Textfield(T1n5) → Box1n5
  55. Textfield(T2n1) → Box2n1
  56. Textfield(T2n1p5) → Box2n1p5
  57. Textfield(T2n2) → Box2n2
  58. Textfield(T2n3) → Box2n3
  59. Textfield(T2n4) → Box2n4
  60. Textfield(T2n5) → Box2n5
  61. Textfield(T3n1) → Box3n1
  62. Textfield(T3n1p5) → Box3n1p5
  63. Textfield(T3n2) → Box3n2
  64. Textfield(T3n3) → Box3n3
  65. Textfield(T3n4) → Box3n4
  66. Textfield(T3n5) → Box3n5
  67. Textfield(T3p2n1) → Box3p2n1
  68. Textfield(T3p2n1p5) → Box3p2n1p5
  69. Textfield(T3p2n2) → Box3p2n2
  70. Textfield(T3p2n3) → Box3p2n3
  71. Textfield(T3p2n4) → Box3p2n4
  72. Textfield(T3p2n5) → Box3p2n5
  73. Textfield(T4n1) → Box4n1
  74. Textfield(T4n1p5) → Box4n1p5
  75. Textfield(T4n2) → Box4n2
  76. Textfield(T4n3) → Box4n3
  77. Textfield(T4n4) → Box4n4
  78. Textfield(T4n5) → Box4n5
  79. Textfield(T50) → Box50
  80. Textfield(T51) → Box51
  81. Textfield(T51p5) → Box51p5
  82. Textfield(T52) → Box52
  83. Textfield(T53) → Box53
  84. Textfield(T54) → Box54
  85. Textfield(T55) → Box55
  86. Textfield(T5n1) → Box5n1
  87. Textfield(T5n1p5) → Box5n1p5
  88. Textfield(T5n2) → Box5n2
  89. Textfield(T5n3) → Box5n3
  90. Textfield(T5n4) → Box5n4
  91. Textfield(T5n5) → Box5n5
  92. Textfield(Tn10) → Boxn10
  93. Textfield(Tn11) → Boxn11
  94. Textfield(Tn11p5) → Boxn11p5
  95. Textfield(Tn12) → Boxn12
  96. Textfield(Tn13) → Boxn13
  97. Textfield(Tn14) → Boxn14
  98. Textfield(Tn15) → Boxn15
  99. Textfield(Tn1n1) → Boxn1n1
  100. Textfield(Tn1n1p5) → Boxn1n1p5
  101. Textfield(Tn1n2) → Boxn1n2
  102. Textfield(Tn1n3) → Boxn1n3
  103. Textfield(Tn1n4) → Boxn1n4
  104. Textfield(Tn1n5) → Boxn1n5
  105. Textfield(Tn20) → Boxn20
  106. Textfield(Tn21) → Boxn21
  107. Textfield(Tn21p5) → Boxn21p5
  108. Textfield(Tn22) → Boxn22
  109. Textfield(Tn23) → Boxn23
  110. Textfield(Tn24) → Boxn24
  111. Textfield(Tn25) → Boxn25
  112. Textfield(Tn2n1) → Boxn2n1
  113. Textfield(Tn2n1p5) → Boxn2n1p5
  114. Textfield(Tn2n2) → Boxn2n2
  115. Textfield(Tn2n3) → Boxn2n3
  116. Textfield(Tn2n4) → Boxn2n4
  117. Textfield(Tn2n5) → Boxn2n5
  118. Textfield(Tn30) → Boxn30
  119. Textfield(Tn31) → Boxn31
  120. Textfield(Tn31p5) → Boxn31p5
  121. Textfield(Tn32) → Boxn32
  122. Textfield(Tn33) → Boxn33
  123. Textfield(Tn34) → Boxn34
  124. Textfield(Tn35) → Boxn35
  125. Textfield(Tn3n1) → Boxn3n1
  126. Textfield(Tn3n1p5) → Boxn3n1p5
  127. Textfield(Tn3n2) → Boxn3n2
  128. Textfield(Tn3n3) → Boxn3n3
  129. Textfield(Tn3n4) → Boxn3n4
  130. Textfield(Tn3n5) → Boxn3n5
  131. Textfield(Tn3p20) → Boxn3p20
  132. Textfield(Tn3p21) → Boxn3p21
  133. Textfield(Tn3p21p5) → Boxn3p21p5
  134. Textfield(Tn3p22) → Boxn3p22
  135. Textfield(Tn3p23) → Boxn3p23
  136. Textfield(Tn3p24) → Boxn3p24
  137. Textfield(Tn3p25) → Boxn3p25
  138. Textfield(Tn3p2n1) → Boxn3p2n1
  139. Textfield(Tn3p2n1p5) → Boxn3p2n1p5
  140. Textfield(Tn3p2n2) → Boxn3p2n2
  141. Textfield(Tn3p2n3) → Boxn3p2n3
  142. Textfield(Tn3p2n4) → Boxn3p2n4
  143. Textfield(T3p2n5) → Boxn3p2n5
  144. Textfield(Tn40) → Boxn40
  145. Textfield(Tn41) → Boxn41
  146. Textfield(Tn41p5) → Boxn41p5
  147. Textfield(Tn42) → Boxn42
  148. Textfield(Tn43) → Boxn43
  149. Textfield(Tn44) → Boxn44
  150. Textfield(Tn45) → Boxn45
  151. Textfield(Tn4n1) → Boxn4n1
  152. Textfield(Tn4n1p5) → Boxn4n1p5
  153. Textfield(Tn4n2) → Boxn4n2
  154. Textfield(Tn4n3) → Boxn4n3
  155. Textfield(Tn4n4) → Boxn4n4
  156. Textfield(Tn4n5) → Boxn4n5
  157. Textfield(Tn50) → Boxn50
  158. Textfield(Tn51) → Boxn51
  159. Textfield(Tn51p5) → Boxn51p5
  160. Textfield(Tn52) → Boxn52
  161. Textfield(Tn53) → Boxn53
  162. Textfield(Tn54) → Boxn54
  163. Textfield(Tn55) → Boxn55
  164. Textfield(Tn5n1) → Boxn5n1
  165. Textfield(Tn5n1p5) → Boxn5n1p5
  166. Textfield(Tn5n2) → Boxn5n2
  167. Textfield(Tn5n3) → Boxn5n3
  168. Textfield(Tn5n4) → Boxn5n4
  169. Textfield(Tn5n5) → Boxn5n5