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根據百分率找數量（一）: 例3的副本
Author:
冯圣军
,
GeoGebra Institute of Hong Kong
GeoGebra
New Resources
兩組對邊相等的四邊形
四邉形 (四年級) 教師版
【案例】2018年全国1卷理科12题
畫出對稱圖形
兩組對邊相等和有直角的四邊形
Discover Resources
Equal chords cut off equal arcs in a circle
國旗(青天白日)
rotational symmetry_2
Ex5D#2
dingding_test
Discover Topics
Arithmetic Operations
Kite
Cuboid
Normal Distribution
Subtraction