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平行四邊形面積
Author:
lkkbmaths teachers 檔案儲存用
Topic:
Area
,
Parallelogram
GeoGebra
New Resources
拼砌四邊形
四邉形 (四年級) 教師版
兩位數加法
異分母分數減法
兩位數除以一位數(一)
Discover Resources
我的第一個GGB影片
四角柱(底面為可調整梯形)
可轉波單車
ikik
pyramid by Mr LO WY
Discover Topics
Intersection
Integral Calculus
Vectors
Pie Chart or Circle Chart
Mode