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peacock3
Author:
李春培
peacock3
GeoGebra
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兩組對邊相等和有直角的四邊形
四邊形的特性
兩位數除以一位數(一)
三位數除以一位數(二)
四邉形 (四年級) 教師版
Discover Resources
Quiz on Trigonometric Ratios 辨認三角比:測驗
straight line
特殊時鐘模擬
翰林數學_2下_CH3-4_大邊對大角
正方体镂空模型(通用)
Discover Topics
Prism
Geometry
Piecewise Functions
Logarithmic Functions
Tangent Line or Tangent