【应用题】 1.难度:★★★
商店以每双file:///C:/Users/PC/AppData/Local/Temp/msohtmlclip1/01/clip_image002.gif元购进一批拖鞋,售价为file:///C:/Users/PC/AppData/Local/Temp/msohtmlclip1/01/clip_image004.gif元,卖到还剩file:///C:/Users/PC/AppData/Local/Temp/msohtmlclip1/01/clip_image006.gif双时,除去购进这批拖鞋的全部开销外还获利file:///C:/Users/PC/AppData/Local/Temp/msohtmlclip1/01/clip_image008.gif元.问:这批拖鞋共有多少双?
2.难度:★★
某种商品按定价卖出可得利润file:///C:/Users/PC/AppData/Local/Temp/msohtmlclip1/01/clip_image002.gif元,若按定价的file:///C:/Users/PC/AppData/Local/Temp/msohtmlclip1/01/clip_image004.gif出售,则亏损file:///C:/Users/PC/AppData/Local/Temp/msohtmlclip1/01/clip_image006.gif元.问:商品的购入价是________元.
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