※ 引述《flysaksak (夢)》之銘言:
: En. Safi feeds his cat 3 times a day. The first feeding time at 6:15 a.m. At what time should be feed his cat for the third feeding?
: 答案是h^2+12h+30
: 請問如何解?
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: Sent from JPTT on my iPad
h是什麼東東?題目根本沒有這個符號
一天三次,
假如是等間隔(不太真實),
間隔就是24/3 = 8小時
6:15 + 8:00 + 8:00
= 22:15
晚上10點15分是第三次餵食
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