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餘弦函數圖形
Author:
康靖坤
Topic:
Trigonometric Functions
GeoGebra
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兩組對邊相等和有直角的四邊形
三位數除以一位數（一）
兩位數除以一位數（一）
找出對稱軸
兩位數除以一位數（二）
Discover Resources
line equation
circle1
二次函数
p.8.18
拋物線的開口、對稱軸、頂點
Discover Topics
Interest Calculation
Linear Equations
Logic
Definite Integral
Polygons