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切线
Author:
素贞 许
Topic:
Tangent Line or Tangent
GeoGebra
New Resources
【案例】2018年全国1卷理科12题
四邊形的特性
球体的体积推导(优化版)
錐體建築師
拼砌四邊形
Discover Resources
謝爾賓斯基三角形(Sierpinsky)
拋物線與弦相交的弓形區域
堆疊多邊形
双曲线交抛物线
Trigonometric Ratios of Any Angle
Discover Topics
Trigonometric Functions
Intersection
Arithmetic Operations
Rational Numbers
Percentages