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23第13题
Author:
袁正铎
GeoGebra
New Resources
百分數及其應用
盈利與虧蝕
斐波那契螺旋弧线(表格法)
异形操场
第八周作业
Discover Resources
binary number system
GeoGebra繪本
supplementary
Golden Ratio (phi) Collection
四色地图
Discover Topics
Line Segment
Coordinates
Frequency Distribution
Probability
Sphere