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分數加減
Author:
iedc
GeoGebra
New Resources
錐體建築師
畫出對稱圖形
球體建築師
算柱 (兩位數)
【案例】2018年全国1卷理科12题
Discover Resources
空間中平面
包含除法（1 ÷分數）
加法有圖案
根據百分率找數量（一）:例1的副本
里约奥运火炬花环模型
Discover Topics
Exponent
Combinatorics
Stochastic Process or Random Process
Hypothesis Testing
Similar Triangles