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以下是代码:<?php$a='1,8,10,15,16,18,21,27,30,34,39,41,42,44,46,56,61,63,67,74';//获得数组$a1=explode(",",$a);//小多$x$x=0;//大多$d$d=0;//遍历数组for($ii=0;$ii<=count($a1)-1;$ii++){//如果小于40,则小加1...