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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(一)
兩組對邊相等和有直角的四邊形
畫出對稱圖形
【案例】2018年全国1卷理科12题
【案例】2013年安徽高考15题
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等腰,角度关系
Helicoid
sin(x) 的函數圖形
gjc093b19 梯形的面積
Epicycloid
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Rational Numbers
Probability
Mode
Solids or 3D Shapes
Mathematics