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固定三角形的條件−題2
Author:
Anthony OR 柯志明
Topic:
Congruence
,
Triangles
GeoGebra
柯志明 香港教育局
New Resources
三位數除以一位數（一）
異分母分數減法
兩組對邊相等和有直角的四邊形
【案例】2013年安徽高考15题
算柱 (兩位數)
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方格紙上畫正方形3
Key stage 1
什麼是除法?
工具：DimensionArrows
Light reflected in hyperbola的副本
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Upper and Lower Sum or Riemann Sum
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Circle
LCM and GCD