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Re: [情報] LP點換家樂福新增500元
![](https://i.imgur.com/JGxTD2D.jpg)
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: Sent from JPTT on my Sony D6603.
請問一個數學問題
linepay中信回餽3%
但是大家最常換的家樂福點數手續費
分別是
100 9%
200 7%
500 5%
如果linepay數點只換家樂福
這樣回餽率怎麼算呢?
以100元
3% x 0.91嗎?
mgp學不好.一直搞不懂.請高手指點 謝謝您
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