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三相交流电波形模拟
Author:
海杰 兰
GeoGebra
New Resources
垂直線的斜率
多邊形的面積
讀磅
斜率的值
漂亮的摇摆曲线
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分數與小數
牟合方蓋：兩圓柱交集
數學繪圖
拋物線6--包絡線法
正弦函数自变量的几何显示
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Sine
Statistics
Percentages
Conditional Probability
Plane Figures or Shapes