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勾股定理
Author:
王争
Topic:
Pythagoras or Pythagorean Theorem
GeoGebra
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兩位數除以一位數（二）
拼砌四邊形
【案例】2018年全国1卷理科12题
兩組對邊相等的四邊形
異分母分數減法
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分數乘法與除法
Cube
MathMedia150206
畫圖用底圖(含輔助格線)
圆-视觉差
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Inequalities
Continuity
Straight Lines
Random Variables
Power Functions