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平行四邊形面積
Author:
lkkbmaths teachers 檔案儲存用
Topic:
Area
,
Parallelogram
GeoGebra
New Resources
長方體平面投影 (Codex版)
Fibonacci Clock
畫出對稱圖形
三半圓間的相切圓(Codex╱2026.10.07)
美國國旗 (Codex, 2026.10.06)
Discover Resources
Locus
test05繪本用
All in one (Centres of triangle)
单晨整体迭代希尔伯特皮亚诺(HilbertPeano)
学习 GeoGebra 3D 计算器
Discover Topics
Congruence
Square
Cone
Conditional Probability
Cosine