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一元二次方程求根公式
Author:
梁航宇
GeoGebra
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三位數除以一位數(一)
兩位數除以一位數(一)
小数 的副本
兩組對邊相等的四邊形
拼砌四邊形
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分數與小數
Trapezoid1
折線1
Dodecahedron
斐波那契螺旋弧线(表格法-可动态调节)
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Parametric Curves
Pyramid
Numbers
Rational Numbers
Rhombus