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ma_test
Author:
shooter1982
正弦曲线
GeoGebra
正弦缩放的曲线
New Resources
算柱 (兩位數)
兩位數除以一位數（二）
兩組對邊相等的四邊形
第八周作业
兩組對邊相等和有直角的四邊形
Discover Resources
Triangle Inequalities
橢圓
test1
Sierpinski Triangle
直线与圆、圆与圆的位置关系
Discover Topics
Isosceles Triangles
Cone
Translation
Hypergeometric Distribution
Arithmetic Operations