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Author:
张书真
GeoGebra
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拼砌四邊形
異分母分數減法
三位數除以一位數(二)
【案例】2018年全国1卷理科12题
兩組對邊相等的四邊形
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立體圖形的反射對稱
圆的面积 - 洋葱法
題目
複合棒形圖_並列
杨桃李GGB绘本
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Mathematics
Correlation
Functions
Optimization Problems
Division