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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
球体的体积推导
球體建築師
画直线等分三角形的面积
兩組對邊相等的四邊形
異分母分數減法
Discover Resources
Twist Bottle
Tangent from an external point
不等式組
P4構作對稱圖形
拋物線4-平行四邊形法
Discover Topics
Cosine
Root
Mathematics
Real Numbers
Combinatorics