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七彩勾股树
Author:
孟宝兴
Topic:
Pythagoras or Pythagorean Theorem
GeoGebra
New Resources
四邉形 (四年級) 教師版
Nested spiral octagon
拼砌四邊形
畫出對稱圖形
算柱 (兩位數)
Discover Resources
平面幾何
構造切線 / construct the tangent line
任何三角形內角和180度(五上數翰４－２)
夹逼法确定无理数根号2的范围
AI 訓練教室
Discover Topics
Integers
Differential Equation
Secant Line or Secant
Reflection
Division