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三角函数
Author:
jason ni
Topic:
Trigonometric Functions
,
Trigonometry
GeoGebra
New Resources
柱體建築師
找出對稱軸
算柱 (兩位數)
三位數除以一位數（一）
球體建築師
Discover Resources
對稱及變換
斜拋模型
面積與周界活動
绕圆旋转004
數織Nonogram
Discover Topics
Natural Numbers
Statistical Characteristics
Probability
Arithmetic
Sine