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畫蛇添福
Author:
李春培
畫蛇添福
GeoGebra
New Resources
四邊形的特性
拼砌四邊形
第八周作业
算柱 (兩位數)
近似值：有效數字
Discover Resources
MFS: Rebound 2
CIRCLE
圓心角
sin(x) 的函數圖形的副本
元旦快乐（制作：孟宝兴）
Discover Topics
Numbers
Mathematics
Derivative
Unit Circle
Line Segment