Re: [討論] 環保比較貴嗎消失
: 211是一刀架+2刀片
: (含刀架上的刀片,算2刀片)
: 下面說多買多賺
: 但是4刀片799
: 211?2=422(四片)
: 799?1=799
: 環保的代價是799-422=377
: 377=兩隻刀架的環保價值
: 自問自答:環保很貴
我是原po
https://i.imgur.com/t0fldsT.jpg
我數學進步了
360x2=720<799
所以多買沒有多賺
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