来看看这个图里面的数字应该如何算出来

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Release: 2016-06-13 12:48:42
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来看看这个图里面的数字应该怎么算出来?


就是这些被红字的数字,每行3个,所有偶数行的数字应该怎么通过数学的方法算出来?
取余的话取的是纵列的数字,怎么样能把红字的偶数行给表达出来?

数学
------解决方案--------------------
smarty ??
他不是有个 cycle 控制变量吗?为什么不用!
test.php 
include_once("smarty_inc.php"); <br />
$arr=array('a','b','c','d','e','f'); <br />
$smarty->assign('arr',$arr); <br />
$smarty->display("test.tpl"); <br />
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test.tpl
<table width="100px"> <br />
{section name=a loop=$arr} <br />
<tr bgcolor="{cycle values="#eeeeee,#55eero"}"> <br />
<td> <br />
{$arr[a]} <br />
</td> <br />
</tr> <br />
{/section} <br />
</table>
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