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中考 2019 顺义一模-25
Author:
acchu
GeoGebra
New Resources
異分母分數減法
三位數除以一位數（二）
兩組對邊相等的四邊形
拼砌四邊形
【案例】2018年全国1卷理科12题
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立體錯覺樓梯(使用透視法會稍有差距)
World's Second-Hardest Easy Geometry Problem
判斷球體 8
橢圓3--平行四邊形法
構作對稱圖形_FK1
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Translation
Multiplication
Histogram
Area
Means