[list=1][*]Click the coordinates or the equations to change them to fractions or decimals. 點撃坐標或方程可把它們轉換為分數或小數。[/*][*]Click the straight line to show/ hide the red control points. 點撃直線可顯示或隱藏紅色控制點。[/*][*]Click the red control points to show/ hide their coordinates. 點撃紅色控制點可顯示或隱藏它們的坐標。[/*][/list]

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