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8.3 基本几何体(正三棱椎与外接球)
Author:
张中强
正三棱锥与外接球
GeoGebra
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兩組對邊相等和有直角的四邊形
【案例】2013年安徽高考15题
兩組對邊相等的四邊形
四邊形的特性
三位數除以一位數(一)
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緯度、日照、影子長。
TRY_4.11.2016
Congruent and Similarity
qr code for symmetry
纏繞畫1
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Quadrilaterals
Division
Parametric Curves
Random Variables
Set Theory