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边长可变的正三角形上莱洛转子的滚动
Author:
朱亮
Topic:
Equilateral Triangles
,
Rotation
,
Sequences and Series
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
算柱 (兩位數)
三位數除以一位數(二)
兩組對邊相等的四邊形
Discover Resources
優良作品4
三年級-分數
maths
Copy of 分數加法
解不等式
Discover Topics
Reflection
Polygons
Ratios
Frequency Distribution
Sine