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中垂線
Author:
Chang Hui Fang
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【案例】2018年全国1卷理科12题
找出對稱軸
球体的体积推导
拼砌四邊形
【案例】圆柱体内放置一个大球六个小球
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線性規劃 - 數學技巧2
多項式
Box method for multiplication
Indices 4
Drag me~
黄冈中考16题(扇形滚动)
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Equations
Quadratic Equations
Difference and Slope
Rhombus
Median Line