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二次函数y=ax²（a＞0)
Author:
吕胜
GeoGebra
New Resources
sanjiaohanshu
兩組對邊相等和有直角的四邊形
近似值：有效數字
直角坐標平面上的旋轉變換
兩組對邊相等的四邊形
Discover Resources
convolution_demo1
勝者即正義，可愛即正義～(可用Ctrl+滑鼠滾輪放大界面)
P4 4S1 製作四邊形
活工(一)Q3
錐體建築師
Discover Topics
Piecewise Functions
Terms
Rational Numbers
Special Points
Quadratic Functions