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全等—正方形的旋转
Author:
詹凯
Topic:
Congruence
,
Triangles
GeoGebra
New Resources
近似值：有效數字
找出對稱軸
三位數除以一位數（二）
四邊形的特性
三位數除以一位數（一）
Discover Resources
均分除法（分數÷整數）
Mobius 變換 (2)
Conic section-ellipse&hyperbola
Locus (Two points 1)
拼出三角形 的複本
Discover Topics
Percentages
Vectors 2D (Two-Dimensional)
Surface
Conditional Probability
Stochastic Process or Random Process