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圖二的副本
Author:
Siqiu Zeng
,
GeoGebra Institute of Hong Kong
GeoGebra
New Resources
兩組對邊相等的四邊形
四邊形的特性
球體建築師
兩位數除以一位數（二）
【案例】2018年全国1卷理科12题
Discover Resources
P53_3a
扇形弧長公式3
向外延伸的多邊形
繡曲線01
圆锥曲线折纸操作题（教材案例）
Discover Topics
Probability
Random Experiments
Scalene Triangles
Trigonometry
Linear Programming or Linear Optimization