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探究長方形周界的長和闊
Author:
Tong Wing Hong
GeoGebra
New Resources
近似值：有效數字
四邊形的特性
伊朗國旗 (Codex╱2026.10.07)
Earth with coastline
找出對稱軸
Discover Resources
整數÷整數_工作紙（一）_題1
sum of interior angle
Quiz on Solving One-step Linear Equations (1) | 解「一步」一次方程：測驗(1)
Direct Variation
平行四邊形和長方形的大小
Discover Topics
Planes
Vectors
Linear Programming or Linear Optimization
Logarithmic Functions
Tangent Line or Tangent