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第10题
Author:
zhuguokang
GeoGebra
New Resources
兩組對邊相等的四邊形
異分母分數減法
三位數除以一位數（二）
柱體建築師
兩組對邊相等和有直角的四邊形
Discover Resources
平行四邊形之變奏I
shaded region
Copy of 可01
GeoGebra Book
不等式
Discover Topics
Confidence Interval
Intersection
Perimeter
Frequency Distribution
Variance