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congruent triangle2_provided by Mr Yeung Kar Chun
Author:
kidmancmw
GeoGebra
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兩位數加法
兩組對邊相等的四邊形
兩組對邊相等和有直角的四邊形
三位數除以一位數（二）
柱體建築師
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阿基米德(3,6,6)
很厲害喔
科技化數學教學應用X腳踏車自造課程in彰師大(2018)
拋物線3-平行四邊形法
三角形
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