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工具1
Author:
sidney100
GeoGebra
New Resources
兩位數加法
拼砌四邊形
兩位數除以一位數（二）
球体的体积推导
三位數除以一位數（二）
Discover Resources
njutfhgietu8mhyutm,huie
生活中的平面圖形─多邊形的性質
circuit
test
拋物線
Discover Topics
Vectors
Cone
Pythagoras or Pythagorean Theorem
Boxplot
Secant Line or Secant