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Author:
杨桃李@
GeoGebra
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直線的斜率
三位數除以一位數（一）
三位數除以一位數（二）
【案例】2018年全国1卷理科12题
【案例】2013年安徽高考15题
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Comparing fractions using number lines and rectangles
Compare areas by cutting shapes Q1
Copy of 軸對稱
旋转的圆锥内接锥体.许兴华数学
圆-视觉差
Discover Topics
Natural Numbers
Binomial Distribution
Means
Stochastic Process or Random Process
Similar Triangles