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根據百分率找數量（一）: 例3的副本
Author:
冯圣军
,
GeoGebra Institute of Hong Kong
GeoGebra
New Resources
球體建築師
第八周作业
兩組對邊相等和有直角的四邊形
Nested spiral octagon
近似值：有效數字
Discover Resources
直线倾斜角与斜率
task 4
No.1
球體表面積
sinx
Discover Topics
LCM and GCD
Random Variables
Diagrams
Addition
Cuboid