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画正弦
Author:
李玲玲
GeoGebra
New Resources
撒针估算面积实验
百分數及其應用
直線的斜率：水平變化 & 鉛垂變化
第八周作业1
异形操场
Discover Resources
滾出直線之2
三角形三內角和
摺長方形
含有任意量词与存在量词的最值问题
Addition and Subtraction of Directed Numbers (2)
Discover Topics
Curve Sketching
Rectangle
Inequalities
Numbers
Polynomial Functions