Quadratic Graph - QESOSASS

Autore:Choi King Hong

Slide the rulers to change the values of a, b and c. Observe the changes of the quadratic graph, especially the coordinates of A (on the y-axis) and V (the vertex).

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四邊形的特性
球體建築師
異分母分數減法
画直线等分三角形的面积
球体的体积推导（优化版）

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代數
分數乘法_李樂雯
複合不平等
sine graph (reduce to 1/2 and then translate leftward by 15 degree)
三角函數圖形的平移

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Funzioni
Sfera
Rombo
Rapporti
Segmenti