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congruent (SA) 2
Author:
Ricky Chan
GeoGebra
New Resources
兩組對邊相等和有直角的四邊形
拼砌四邊形
球體建築師
三位數除以一位數（一）
柱體建築師
Discover Resources
豆奶
三角函數圖形（全）
救生員區域
+55++5+5
cherry family
Discover Topics
Hypothesis Testing
Probability
Sphere
Area
Surface