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Author:
chen mingchuan
GeoGebra
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算柱 (兩位數)
兩位數除以一位數(一)
第八周作业
小数 的副本
兩組對邊相等的四邊形
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Key stage 1
任意兩正方形切割重組成一大正方形之動態證明
週長面積皆相等的不全等三角形
拋物線4--平行四邊形法
HCF 和 LCM 的應用
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Trapezium
Area
Intersection
Vectors 2D (Two-Dimensional)
LCM and GCD