永豐怎麼辦卡最划算呢? - 信用卡
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By Ina
at 2011-09-28T17:38
at 2011-09-28T17:38
Table of Contents
好,再一次用小學程度數學讓你心服。
如果照你堅持的每公升先減3.4的算法,
以油價31.6,加4公升為例:
31.6*4=126.4=126 (原總價)
(31.6-3.4)*4=112.8=113
(126-113)/4=3.25 < 3.4
用你絕對堅持的算法,竟然還讓你每公升多付0.15?以你的高標準,難道不會大喊不公嗎?
再一次,你在推文中發洩的同時,為什麼不能先用小學數學先算一次呢?
當然,用這種先扣的算法,一定也會存在最有利的算法,
但就字面上而言,現行的計算方式,並不違反每公升扣3.4的說法,
請你去找你的小學國文老師問清楚,謝謝。
--
如果照你堅持的每公升先減3.4的算法,
以油價31.6,加4公升為例:
31.6*4=126.4=126 (原總價)
(31.6-3.4)*4=112.8=113
(126-113)/4=3.25 < 3.4
用你絕對堅持的算法,竟然還讓你每公升多付0.15?以你的高標準,難道不會大喊不公嗎?
再一次,你在推文中發洩的同時,為什麼不能先用小學數學先算一次呢?
當然,用這種先扣的算法,一定也會存在最有利的算法,
但就字面上而言,現行的計算方式,並不違反每公升扣3.4的說法,
請你去找你的小學國文老師問清楚,謝謝。
--
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