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Author:
johnmayhk
GeoGebra
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【案例】2018年全国1卷理科12题
兩位數除以一位數(二)
四邉形 (四年級) 教師版
球体的体积推导(优化版)
錐體建築師
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七巧板奔人
lab5_task1
梯形
教案一
廣義三角函數的換算
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Trigonometry
LCM and GCD
Natural Numbers
Logic
Pyramid