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Author:
Tse Sir
例子
GeoGebra
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兩組對邊相等的四邊形
球體建築師
【案例】2018年全国1卷理科12题
柱體建築師
三位數除以一位數(一)
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task 1
Angry Bird
Solution_to_a_System_of_Linear_Equations
PA + PB
变化的三角形的旁心.许兴华数学
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Random Experiments
Division
Arithmetic Mean
Geometric Transformations
Special Points