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平行四邊形面積
Author:
lkkbmaths teachers 檔案儲存用
Topic:
Area
,
Parallelogram
GeoGebra
New Resources
四邊形的特性
判斷球體
拼砌四邊形
sanjiaohanshu
兩位數除以一位數（二）
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test for fun
cos(x) 的圖形
习题，任意三点不在同一直线上的等四个点，最多能作出几个三角形
拋物線的參數
拋物線1--焦點法
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Linear Regression
Subtraction
Parabola
Probability
Tree Diagrams