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Tangent to circle
Author:
johnmayhk
GeoGebra
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【案例】2018年全国1卷理科12题
第八周作业
異分母分數減法
四邊形的特性
兩位數除以一位數（一）
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分形几何欣赏初步：树型图
線性組合2： 三角形
maths
hihihiADFASDF
數值滑桿_長方形1
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Symmetry
Sequences and Series
Real Numbers
Expected Value
Geometric Transformations