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正方形旋转夹脚45_原题
Author:
gaodongli
GeoGebra
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畫出對稱圖形
算柱 (兩位數)
兩組對邊相等的四邊形
拼砌四邊形
【案例】2018年全国1卷理科12题
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阿基米德(3,10,10)
圓與切線
乘法運算
极坐标系
三角函数的概念核心知识点
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Root
Means
Complex Numbers
Area
Terms