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梯形
Author:
Chan Ting Hin
Topic:
Trapezoid
GeoGebra
New Resources
近似值：有效數字
異分母分數減法
直角坐標平面上的旋轉變換
四邊形的特性
兩組對邊相等的四邊形
Discover Resources
直线与椭圆
testdcfdfsdfsd
空間坐標系學習單
雪櫃裏的食物
Copy of 包含除法（1 ÷分數）
Discover Topics
Isosceles Triangles
Cuboid
Volume
Integers
Complex Numbers