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Ex5D#3
Author:
Big Lee
GeoGebra
New Resources
三位數除以一位數（二）
四邉形 (四年級) 教師版
兩組對邊相等的四邊形
拼砌四邊形
兩組對邊相等和有直角的四邊形
Discover Resources
圖四
編織圓
将三角形面积一分为二
圓周公式應用題2的副本
P4 4S1 製作四邊形
Discover Topics
Arithmetic
Rotation
Vectors 2D (Two-Dimensional)
Statistics
Step Functions