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图中的三角形面积何时最小?(许兴华数学)
Author:
许兴华数学
Topic:
Quadratic Functions
GeoGebra
New Resources
畫出對稱圖形
四邉形 (四年級) 教師版
兩位數除以一位數(一)
找出對稱軸
算柱 (兩位數)
Discover Resources
優良作品2(怡雯)
猴兄爬樹
二次函数y=ax²(a>0)
爱心曲线
蚂蚁爬行
Discover Topics
Ellipse
Straight Lines
Orthocenter
Percentages
Binomial Distribution