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勾股定理的证明：弦图面积平移法
Author:
李洋
GeoGebra
New Resources
斐波那契螺旋弧线（表格法）
龙形曲线-分形龙2
盈利與虧蝕
第八周作业1
异形操场
Discover Resources
龍騰4_1-1講段8
雙曲線教學_2016
验证2
二元线性规划的图解法(18.2 例5)
描点法绘制函数图象，以一次函数为例
Discover Topics
Angles
Trapezoid
Mathematics
LCM and GCD
Straight Lines