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<?php for ($i=1;$i<=10000;$i++) { if($i%3==0 || $i%7==0) $sum+=$i; } echo $sum; ?>

 2018-7-7
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1-2 qzone作业提交

<!DOCTYPE HTML> <html> <head> <meta charset = "utf-8"> <title>qq空间 分享生活 留住感动</title> </head> <body background="http://pic.90sjimg.com/back_p

 2018-7-5
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