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2017全国数学II 21题
Author:
wangyiyao
GeoGebra
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柱體建築師
兩位數除以一位數（一）
【案例】2018年全国1卷理科12题
判斷球體
錐體建築師
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橢圓軌跡
Control a, b and c in quadratic function
內擺線觀察
ptccs2new4
圓與弦2的副本
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Constructions
Terms
Mode
Arithmetic
LCM and GCD