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内外弦图
Author:
叶明杰
GeoGebra
New Resources
三角函数 的副本
双心四边形
祖冲之的期望：内棋与外棋
垂直線的斜率
【案例】2018年全国1卷理科12题
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龍騰4_1-1課隨2
Time
四邊形特性
z=sin(sqrt(x^2+y^2))
線性規劃
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Linear Regression
Optimization Problems
Sequences and Series
Difference and Slope
Integers