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平行线间的等积变形-第一题
Author:
tfflowers
GeoGebra
New Resources
圓的切線方程
异形操场
常见四边形是否是双心四边形
直線的斜率：水平變化 & 鉛垂變化
折扣
Discover Resources
會逗留的折線
圖A
函数y=x+(a/x)的图象如何变化？许兴华数学
抛物线定义
長方形的周界與長和闊的關係 (教師版)
Discover Topics
Statistical Characteristics
Pyramid
Logarithm
Inequalities
Logarithmic Functions