
如圖所示,圖中有一根蚊香。364Please respect copyright.PENANA3fl5K3WgSG
由點燃 到燃燒殆盡,是1小時(60分鐘)
請問,需要多少根蚊香,364Please respect copyright.PENANA9MrCUcAqTr
才能準確計算出45分鐘呢?364Please respect copyright.PENANAsh67ZPjkfN
(方法又是什麼呢?)
【附註】364Please respect copyright.PENANA1Ei8buUae8
蚊香 不能切,也不能折唷~