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三角形
Author:
Tina Lin
Topic:
Triangles
GeoGebra
New Resources
三位數除以一位數（二）
兩位數加法
兩組對邊相等和有直角的四邊形
判斷球體
算柱 (兩位數)
Discover Resources
test
推移矩陣（x 方向）
頂點法
翹翹板
夾擠定理 (The Squeeze Theorem)
Discover Topics
Similarity Transformation or Similarity
Pythagoras or Pythagorean Theorem
Coordinates
Volume
Vectors 2D (Two-Dimensional)