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Author:
張道民
GeoGebra
New Resources
算柱 (兩位數)
柱體建築師
四邉形 (四年級) 教師版
兩位數加法
判斷球體
Discover Resources
拋射問題
試證明：A=B+C
翰林B4講p192_類1
圖形的繪製(6)---三平行線上的正三角形
Flips
Discover Topics
Bar Chart or Bar Graph
Standard Deviation
Quadratic Functions
Definite Integral
Confidence Interval