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三角函數的性質
Author:
yuchengda
GeoGebra
New Resources
兩位數除以一位數(一)
【案例】圆柱体内放置一个大球六个小球
兩組對邊相等和有直角的四邊形
柱體建築師
兩位數加法
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mario
均分除法(分數÷整數)
Copy of 固定周界的長方形的面積變化
雙曲線1 交點法
榔头和它的展开图
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Quadrilaterals
Kite
Prism
Histogram
Diagrams