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Copy of 平行四邊形面積
Author:
CHENG Kwan Yin
,
曾己泉
平行四邊形的面積＝底 x 高
GeoGebra
GeoGebra
New Resources
找出對稱軸
第八周作业
兩組對邊相等和有直角的四邊形
sanjiaohanshu
四邉形 (四年級) 教師版
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