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congruent (SSS) 2
Author:
Ricky Chan
GeoGebra
New Resources
四邊形的特性
錐體建築師
算柱 (兩位數)
三位數除以一位數（一）
兩組對邊相等和有直角的四邊形
Discover Resources
cvcvxcvxcvxcv
優良作品2(季緯)
工作紙題2
qr code for symmetry
褶正三角形
Discover Topics
Congruence
Parametric Curves
Tree Diagrams
Standard Deviation
LCM and GCD