PHPbcmath 

下载地址

http://rpm.pbone.net/index.php3/stat/4/idpl/20284100/dir/scientific_linux_6/com/php-bcmath-5.3.3-22.el6.x86_64.rpm.html

PHPmbstring

下载地址

http://rpm.pbone.net/index.php3?stat=26&dist=74&size=464632&name=php-mbstring-5.3.3-22.el6.x86_64.rpm