有趣的数学【14】：莫用战术的勤奋来掩盖战略的懒惰
做数学题，和做人其实是一样的，就是碰到问题时，一定要镇定，要仔细分析，而不要一拿到题就埋头苦做。
埋头苦做的，一定不是最好学生，这样的学生，走上社会以后，也一定不是好的领导者。
因为他们都属于用战术的勤奋掩盖了战略的懒惰的人。他们缺乏大局观，只注重细节和常规解决方案，顶多算一个合格的执行者。
今天，我们看这样一道题，它可以分辨出领导者和执行者。
不过，所有的测试都不可能100%准确，只是帮助决策者参考的手段。
话不多说，请看今天的题目：
常规的方法应该是通分，然后再相加。只要舍得草稿纸和时间，答案肯定能算出来，但这也是最耗时效率最低的方法。
仔细观察题面，我们可以发现，分母是1007,1008,2015，这3个数有规律，至于什么规律，自己体会一下，我们直接看解题过程：
看到没有，这就是一个善于观察和思考的人所用的方法，绝不会去傻傻的解题，不去做那个平庸的人。
如果你觉得还不过瘾，可以再仔细想想，或者提问，我再让你记忆深刻一下。
Posted from my blog with SteemPress : https://kissfirer.000webhostapp.com/maths14
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