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橢圓規Ellipsograph of Parallelogram
Author:
宋政蒲
Topic:
Constructions
,
Ellipse
,
Parallelogram
現實工程上仍不易做到的橢圓畫法
GeoGebra
New Resources
兩組對邊相等的四邊形
美國國旗 (Codex 版)
異分母分數減法
三位數除以一位數（一）
第八周作业
Discover Resources
repetitive square
人生宇宙
分數乘法
圆的面积展开的副本
Copy of 二面角
Discover Topics
Sine
Linear Programming or Linear Optimization
Algebra
Set Theory
Geometry