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"拈" 類遊戲之一-搶21遊戲 The 21 game
Author:
侯杰材
GeoGebra
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【案例】2018年全国1卷理科12题
sanjiaohanshu
拼砌四邊形
三位數除以一位數（二）
兩位數除以一位數（二）
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滾出直線滾出直線
優良作品2
directed number_magnet model
鏡射的副本
k的几何意义
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Trigonometry
Means
Exponent
Scalene Triangles
Geometric Mean