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Measuring areas by placing different shapes
Author:
Shum Kwok Ching
,
GeoGebra Institute of Hong Kong
GeoGebra
New Resources
三位數除以一位數（二）
兩位數除以一位數（一）
兩位數加法
拼砌四邊形
球體建築師
Discover Resources
比例
UpdateConstruction
GeoGebra培训手册素材
test
仙后座找北極星1
Discover Topics
General Quadrilateral
Vectors
Angles
Fractions
Incircle or Inscribed Circle