| Inspiring Questions from the Sea of Examinations(题海拾贝) |
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| 引用本文： | 张民欢.Inspiring Questions from the Sea of Examinations(题海拾贝)[J].中学数学教学参考,2008(6). |
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| 作者姓名： | 张民欢 |
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| 作者单位： | 山西运城师范学院数计系; |
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| 摘 要： | 1 If x,y,and z are.positive intergers,howmany integers are between xy(z-1) and xyz?已知 x,y,z 是三个正整数,问在 yx(z-1)和xyz 之间存在多少个整数.Solution:xy-1.The number of integers between xy(z-1) and xyzmay be found by finding the difference between the twoproducts and subtracting 1.Thus this difference can be
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| 关 键 词： | 美元 汽水 自动售货机 已知 正整数 |
Inspiring Questions from the Sea of Examinations |
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