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单晨答重庆李琳
Forfatter
单晨
GeoGebra
Nye Materialer
兩位數加法
錐體建築師
畫出對稱圖形
sanjiaohanshu
算柱 (兩位數)
Opdag Ressourcer
認識GeoGebra--相似三角形
Operations on Complex Numbers 複數的運算
與三半圓相切之圓
(3D) Tasks: Pyramid, Paper folding & Solid of revolution[20170615]
海螺
相位角、頻率
Udforsk emner
Division
Prisme
Sinus
Cirkel
Symmetri