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優良作品2(怡婷)
Author:
Ching-Hui Chou
GeoGebra
New Resources
直角坐標平面上的旋轉變換
兩組對邊相等和有直角的四邊形
画直线等分三角形的面积
四邊形的特性
兩位數加法
Discover Resources
腳踏車輪圈
銀杏葉
P.5_FRACTION_NPMPS
中国纸质灯笼
C60足球模型展开（双色版）
Discover Topics
Line Segment
Dilation
Hypothesis Testing
Division
Multiplication