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Comparing fractions using number lines and rectangles
Author:
Eva Lai
GeoGebra
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【案例】2018年全国1卷理科12题
柱體建築師
錐體建築師
兩位數除以一位數（一）
兩組對邊相等和有直角的四邊形
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相似形基本圖形
中国GeoGebra用户认证说明
黎曼和的副本
大黨小黨－政黨票的掙扎
椭圆抛物面
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Rotation
Logic
Coordinates
Addition
Statistical Characteristics