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周界
Author:
YIP
,
Anthony OR 柯志明
GeoGebra
GeoGebra
New Resources
平行線的判定
龙形曲线-分形龙2
盈利與虧蝕
异形操场
中华人民共和国国旗
Discover Resources
Addition and Subtraction of Polynomials(多項式的加減法)
拋物線6--包絡線法
兩位數除三位數(商=10)
椭圆的中点弦的轨迹.许兴华数学
测试
Discover Topics
Planes
Similarity Transformation or Similarity
Logarithm
Linear Regression
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