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翰林B4講p171_類8
Author:
廖傑成
翰林B4講p171_類8
GeoGebra
New Resources
兩組對邊相等的四邊形
球体的体积推导
兩組對邊相等和有直角的四邊形
兩位數除以一位數（二）
四邉形 (四年級) 教師版
Discover Resources
Rotational Symmetry - Tetrahedron
複合圖形表面積(一)
八角柱(可側轉、上下轉)
S.3 ch7 area and volume 3
Angle of elevation and Angle of depression(仰角和俯角)
Discover Topics
Right Triangles
Pythagoras or Pythagorean Theorem
Sphere
Secant Line or Secant
Piecewise Functions