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二次函數不等式及其圖像(進階版)
Author:
Chris Cheng
GeoGebra
New Resources
拼砌四邊形
兩位數除以一位數（一）
畫出對稱圖形
【案例】圆柱体内放置一个大球六个小球
三位數除以一位數（一）
Discover Resources
lab5_task2
Math Project
National_Flag
區塊斜線教學
等差数列、等比数列
Discover Topics
Differential Equation
Median Line
Probability
Quadrilaterals
Arithmetic Mean