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Homework4
Author:
1041015楊山佩
GeoGebra
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兩位數除以一位數(二)
異分母分數減法
四邊形的特性
【案例】2013年安徽高考15题
四邉形 (四年級) 教師版
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月亮的轨道
蝴蝶公式
circle1
疊代四邊形
雙曲線軌跡
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Histogram
Unit Circle
Geometry
Difference and Slope
Median Line