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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
四邊形的特性
【案例】2018年全国1卷理科12题
錐體建築師
找出對稱軸
近似值：有效數字
Discover Resources
複數相乘的幾何意義
繪圖練習
服务效率：服务水平公式及其与接通率公式的关联
分數(等值)
Copy of Triangular Number
Discover Topics
Similar Triangles
Geometric Mean
Geometric Distribution
Combinatorics
Pie Chart or Circle Chart