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放缩尺
Author:
萧若茂
放缩尺
GeoGebra
New Resources
兩組對邊相等的四邊形
兩組對邊相等和有直角的四邊形
三位數除以一位數（二）
四邉形 (四年級) 教師版
三位數除以一位數（一）
Discover Resources
正八面體
rectangle construction
雙搖桿
萬花筒
雙曲面Hyperboloid
Discover Topics
Correlation
Angles
Symmetry
Histogram
Polynomial Functions