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29拋2
Author:
許伯謙
GeoGebra
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球体的截面
中华人民共和国国旗
龙形曲线-分形龙
百分數及其應用
第三周作业效果演示
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任務3
直角三角形的三角比
正弦與正切值的大小關係
Area between two curves
初二春季课程
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Linear Equations
Equations
Area
Percentages
Pie Chart or Circle Chart