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《平行四边形等积变形》
Author:
郭雪芹
Topic:
Area
,
Geometry
,
Parallelogram
GeoGebra
New Resources
sanjiaohanshu
兩組對邊相等和有直角的四邊形
四邊形的特性
兩位數除以一位數（二）
【案例】2018年全国1卷理科12题
Discover Resources
Quiz on Projection of a Line Segment on a Plane 投影：測驗
中一︰棱柱的總表面面積-三角棱柱
碎形
雜思
太陽系
Discover Topics
Similar Triangles
Arithmetic
Cone
Cylinder
Special Points