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從長方形的「周界」找回它的「長」和「闊」
Author:
yip chi wai
GeoGebra
New Resources
兩位數加法
【案例】2018年全国1卷理科12题
兩位數除以一位數(二)
拼砌四邊形
判斷球體
Discover Resources
translation
小四平面圖形學習單
Copy of area
爱心
圆的平移(平移加滑桿)
Discover Topics
Circle
Pie Chart or Circle Chart
Symmetry
Congruence
Quadratic Equations