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An angle problem
Author:
liuzhe821
Topic:
Angles
an angle problem
GeoGebra
New Resources
錐體建築師
判斷球體
三位數除以一位數（二）
球體建築師
兩位數除以一位數（一）
Discover Resources
task 7
Slope of perpendicular lines
gltyz 斜圓錐
rose
正多边形内接迭代的副本
Discover Topics
Symmetry
Multiplication
Trigonometry
Division
Sphere