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練習－由一元二次方程判別根的數目
Author:
Lau Sir
GeoGebra
New Resources
三位數除以一位數（二）
畫出對稱圖形
判斷球體
柱體建築師
【案例】2018年全国1卷理科12题
Discover Resources
數學題目參考圖形
折扣 例3
兩個圓的中點軌跡
圓周 (圖形H)
area
Discover Topics
Bar Chart or Bar Graph
Logic
Median Value
Stochastic Process or Random Process
Planes