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变形的正方形
Author:
梁文红
GeoGebra
New Resources
拼砌四邊形
兩組對邊相等的四邊形
三位數除以一位數（一）
sanjiaohanshu
直角坐標平面上的旋轉變換
Discover Resources
Field function 展示
從長方形的「周界」找回它的「長」和「闊」
Copy of 賺賠：例1
七下数学案例教程2-对顶角和邻补角例题
Solve ax + b = c | 解方程（樣式： ax + b = c ）
Discover Topics
Piecewise Functions
Definite Integral
Rhombus
Logarithmic Functions
Polygons