自己输入或计算机随机产生4个小于13的数,使用+,-,*,/,()运算符号计算24点-their input or computer randomly generated four less than the number 13, the use of ,-,*,/, () operator Symbolic Computation 24 points
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.010471s ]
SELECT `a`.`aid`,`a`.`title`,`a`.`create_time`,`m`.`username` FROM `jrk_downrecords` `a` INNER JOIN `jrk_member` `m` ON `a`.`uid`=`m`.`id` WHERE `a`.`status` = 1 GROUP BY `a`.`aid` ORDER BY `a`.`create_time` DESC LIMIT 10 [ RunTime:0.097568s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.005104s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001835s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001002s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003083s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000822s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.004258s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015163s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001098s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 140167 [ RunTime:0.013614s ]
