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紙幣
Author:
Tse Sir
GeoGebra
New Resources
兩位數加法
四邉形 (四年級) 教師版
三位數除以一位數（二）
兩組對邊相等的四邊形
【案例】圆柱体内放置一个大球六个小球
Discover Resources
ghseh 二次函數上下y值差
軌跡觀察---圓上正三角形中心軌跡
Multiplication of Polynomials(多項式的乘法)
graph of y=-f(-(x-1))
n-m9bch1-1-2b-二次函數及其圖形-07
Discover Topics
Mathematics
Incircle or Inscribed Circle
Frequency Distribution
Linear Programming or Linear Optimization
Hypothesis Testing