
如圖所示,圖中有一根蚊香。335Please respect copyright.PENANAVZUAlbEZEQ
由點燃 到燃燒殆盡,是1小時(60分鐘)
請問,需要多少根蚊香,335Please respect copyright.PENANAiYMBOdU4g5
才能準確計算出45分鐘呢?335Please respect copyright.PENANANIAh31GRlK
(方法又是什麼呢?)
【附註】335Please respect copyright.PENANA8yUyBFGr95
蚊香 不能切,也不能折唷~