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Author:
Chan Yip-Cheung
GeoGebra
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【案例】2018年全国1卷理科12题
【案例】圆柱体内放置一个大球六个小球
兩位數除以一位數（二）
異分母分數減法
三位數除以一位數（一）
Discover Resources
Conductivity
田中的道路2
PMC 2016-17
周界4B (1)
Ex5D#1
Discover Topics
Real Numbers
Cosine
Standard Deviation
Binomial Distribution
Dilation