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08-1-热传导-直杆-固定-散热-3D-宋杰-王翚
Author:
王翚
GeoGebra
New Resources
四邉形 (四年級) 教師版
兩組對邊相等和有直角的四邊形
三位數除以一位數（二）
兩位數加法
【案例】圆柱体内放置一个大球六个小球
Discover Resources
江苏省职校数学网络资源
Test
Activity 1
GGB報告
mooc第四讲椭圆反射
Discover Topics
Natural Numbers
Similar Triangles
Histogram
Probability
Combinatorics