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根據百分率找數量（一）:例1的副本
Author:
音节-Lisa
,
GeoGebra Institute of Hong Kong
GeoGebra
New Resources
圓的切線方程
兩位數除以一位數（二）
空间中两直线的位置关系
第八周作业
三位數除以一位數（一）
Discover Resources
polygon(first upload)
集合的小结
與三個半圓相切之圓的填滿
切割正十二面體
橢圓3-平行四邊形法
Discover Topics
Boxplot
Stochastic Process or Random Process
Straight Lines
Integers
Function Graph