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密鋪
Author:
chen mingchuan
GeoGebra
New Resources
兩組對邊相等和有直角的四邊形
兩位數除以一位數(二)
異分母分數減法
【案例】2018年全国1卷理科12题
拼砌四邊形
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牟合方蓋
一元二次方程求根公式
數學傳播39卷4期, 平面幾何公式思考
密鋪2
地球儀繪製
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Probability
Division
Geometric Mean
Mathematics
Linear Programming or Linear Optimization