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vector addition and subtraction
Author:
sealion1215
GeoGebra
New Resources
兩位數除以一位數（二）
找出對稱軸
畫出對稱圖形
拼砌四邊形
異分母分數減法
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橢圓
Quiz on Rotation 旋轉變換：測驗
橢圓的定義（by Jutor）
包含除法（整數或分數 ÷ 分數）的副本
新课标例86 箱线图与百分位数
Discover Topics
Linear Programming or Linear Optimization
Quadratic Functions
Step Functions
Kite
Arithmetic Operations