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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
第八周作业3
双心四边形
第八周作业1
斐波那契螺旋弧线(表格法-可动态调节)
异形操场
Discover Resources
小數加減
二次函數02
正多角錐(可輸入底面邊數)
Illusion-外凸的正方形
正三角形在长方形边上移动加滚动
Discover Topics
Cone
Indefinite Integral
Calculus
Right Triangles
Piecewise Functions