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Author:
lizuoxiang
GeoGebra
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【案例】2018年全国1卷理科12题
三位數除以一位數(二)
兩組對邊相等的四邊形
算柱 (兩位數)
四邊形的特性
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千年曆
七巧板
黃金螺線62326 劉虹圻
畢氏數
cos, sin 與單位圓的副本
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Continuity
Terms
Straight Lines
Ratios
Median Line