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面積 題目5
Author:
katetang511
Topic:
Area
GeoGebra
New Resources
活动三:应用性质
科赫雪花
异形操场
GeoGebra数学资源(4-8年级)
平行線的判定
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Primary Mathematics
index
任何三角形內角和180度(五上數翰4-2)
內輪差...
P6 圓周03D
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Mode
Plane Figures or Shapes
Triangles
Reflection
Dilation