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湯圓rice ball
Author:
陳正鴻
GeoGebra
New Resources
兩位數除以一位數（二）
異分母分數減法
兩組對邊相等和有直角的四邊形
算柱 (兩位數)
找出對稱軸
Discover Resources
Trapezium fixed height
排列組合
Multiplication of Polynomials(多項式的乘法)
Compare areas by cutting shapes Q2
了解圓方程(2)的副本
C60足球模型展开（单色版）
Discover Topics
Optimization Problems
Correlation
Functions
Root
Geometric Distribution