中政教育：资料分析速算之分子分母法
分子分母比较法一般用于比较类题目之中，用来比较两个分数值的大小，往往有三种情况，一是分母相同时，分子越大数值就越大；二是分子相同时，分母越 小数值越大；三是分子分母都不相同，这时候就把它转化到前面两种情况中去，或者是利用约分、直除等估算的手段来近似计算，再来比较计算结果的大小。例：
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
下列年份中，本期结案中涉及的耕地面积占结案涉及土地面积比重最高的是（）。
A.2006年 B.2008年 C.2010年 D.2011年
解析：将相关数据标记如下有，A选项，34331/69559；B选项，19965/50430；C选项，16230/39330；D选项，15353 /46064。首先比较B、C、D选项，由于分子大，分母小，所以分数大，则B选项的数值大于C、D选项；此时只需要比较A、C选项即可，由于A选项的分 子超过C选项的2倍，但是分母不足C选项的2倍，故A选项更大。
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