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觀察軌跡
Author:
陳政任
觀察軌跡
GeoGebra
New Resources
sanjiaohanshu
球體建築師
兩位數除以一位數（一）
異分母分數減法
兩組對邊相等的四邊形
Discover Resources
面積切割
分數乘法1
[S3] a GeoGebra file created by a pre-service teacher Peter (pseudonym)
B4 4-1 平行線性質延伸 等積變換
圓的外切圓
Discover Topics
Distributions
Arithmetic
Multiplication
Trapezoid
Line Segment