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proof36 王宇揚
Author:
郭亮偉
GeoGebra
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三位數除以一位數（二）
找出對稱軸
【案例】圆柱体内放置一个大球六个小球
兩組對邊相等和有直角的四邊形
四邊形的特性
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教學－與直線有關的角
五年級
circle
加法002结果(20以内)
ckt-任意角
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Matrices
Optimization Problems
Linear Regression
Trigonometry
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