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S0E2L2 幾何原本的畢氏定理
Author:
学用数学
GeoGebra
New Resources
sanjiaohanshu
兩組對邊相等和有直角的四邊形
算柱 (兩位數)
近似值：有效數字
找出對稱軸
Discover Resources
龍騰4_1-1講進4
平行四邊形
向量分解
三角形三邊大小關係(國小五上翰林4-1)
rotational symmetry_4
Discover Topics
Bar Chart or Bar Graph
Quadratic Functions
Plane Figures or Shapes
Vectors
Line Segment