x
No Plagiarism!jN8ln5H3MZQ1gpIwlTWVposted on PENANA (ノ◕ヮ◕)ノ 答案公佈!8964 copyright protection95PENANATGrUeqATwm 維尼
需要兩根蚊香!8964 copyright protection95PENANAhVQpc2xJn1 維尼
1根正常點燃,另1根頭尾點燃,99Please respect copyright.PENANA0EVXqIhYsB
這樣,就可以計算出30分鐘。8964 copyright protection95PENANAUdM1oiitMC 維尼
30分鐘之後,99Please respect copyright.PENANAbnrKTPNoBt
再把剩餘的蛟香,頭尾點燃,99Please respect copyright.PENANAQkdYLsJRZy
就可以計算出15分鐘。8964 copyright protection95PENANAtHy9XF8Een 維尼
合計,就是45分鐘!8964 copyright protection95PENANAvj16Ztpia2 維尼
108.162.216.69
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