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1987全国文22
Author:
常振虎
GeoGebra
New Resources
異分母分數減法
兩位數除以一位數（二）
球體建築師
兩位數加法
直角坐標平面上的旋轉變換
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parmater
科赫雪花 (Koch Snowflake)
五年級_立體圖形_角錐展開圖
泰勒與馬克勞林級數 (Taylor and Maclaurin Series)
GeoGebra数学资源（4-8年级）
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Equations
Statistics
Bar Chart or Bar Graph
Sequences and Series
Correlation