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S5R1L4圆内迭代反射——朱老师
Author:
龚洪萍
Topic:
Algebra
,
Geometry
GeoGebra
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第八周作业
畫出對稱圖形
兩組對邊相等和有直角的四邊形
四邊形的特性
球體建築師
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畢氏定理的證明(三移動)
二次函數（第三階段）
sin,cos比大小
作業1
游戏
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Exponent
Functions
Equations
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