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教學－旋轉
Author:
Lau Sir
Topic:
Rotation
GeoGebra
New Resources
美國國旗 (Codex 版)
AI 訓練教室
兩組對邊相等和有直角的四邊形
四邊形的特性
拼砌四邊形
Discover Resources
Demo 1
Progressive Formula
包含除法（整數÷整數）
包路線
圓面積示範
Discover Topics
Upper and Lower Sum or Riemann Sum
Trapezoid
Straight Lines
Distributions
Inequalities