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58问答库 > 5元买3.7角和2.1角一包的烟各买多少包？

5元买3.7角和2.1角一包的烟各买多少包？

2025-03-16 00:37:01

推荐回答（1个）

回答（1）：

3.7角就是0.37元，2.1角即0.21元，用钱数除以单价取整数即得，因此，如单买的话
5÷0.37=13余一毛九
5÷0.21=23余一毛七
用5元钱买3毛7一包的烟能买13包，买2毛1一包的烟可以买23包。

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