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根據百分率找數量（二）: 例1
Author:
GeoGebra Institute of Hong Kong
Topic:
Percentages
GeoGebra
New Resources
找出對稱軸
AI 訓練教室
拼砌四邊形
近似值：有效數字
算柱 (兩位數)
Discover Resources
Quiz on Factorization of Quadratic Polynomials (Cross Method) 因式分解一元二次多項式(十字相乘法)：測驗
snooker
test
S2 ch2.3 simultaneous equation
橢圓3-平行四邊形法
Discover Topics
Poisson Distribution
Pie Chart or Circle Chart
Geometric Mean
Sequences and Series
Derivative