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GeoGebra
PMC 2013-14 Q12
Author:
Arthur Lee
題目十二
圓內有四條弧線，相交於三點，把圓分為八份。試把這些弧線重新安排。 (a) 最多可有幾個交點？ (b) 最多可把圓分為幾份？
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