Liu Ming wants to buy some school things. According to the list, if he buys twel
题型：不详难度：来源：
Liu Ming wants to buy some school things. According to the list, if he buys twelve exercise books, four knives, five pens, double rulers and a pencil-box, he will pay .
Thing
| Knife
| Pen
| Exercise book
| Ruler
| Pencil-box
| Price
| ￥2.50
| ￥15.00
| ￥3.00
| ￥1.50
| ￥16.00
| Good news : If you spends more than one hundred yuan in buying pens, you will enjoy a 40% off for the whole list.
|
A. 140 yuan B. 84 yuan C. 56 yuan |
答案
| A |
解析
试题分析：根据本题描述，他买十二本练习本，四把小刀，五支钢笔，两把尺子和一个铅笔盒，根据价格表描述，列式为：3*12+2.5*4+15*5+1.5*2+16=140，故选A。
点评：解答本题首先要理解小题内容，然后结合价格表信息列式，然后算出得数。 |
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