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The change in SD after adding a constant
Author:
Big Lee
GeoGebra
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【案例】2018年全国1卷理科12题
第八周作业
三位數除以一位數（一）
算柱 (兩位數)
兩組對邊相等和有直角的四邊形
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圓錐的曲面面積
test
horizontal
test
任意凸多边形的滚动
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Geometric Transformations
Mode
Poisson Distribution
Differential Calculus
Ratios