回複：100個人做題

(81+91+85+79+74)-x*5 x=71.

所有跟帖： 

• The inequality isn't even necessary -ElizabethTaylor- ♂ (775 bytes) () 06/22/2010 postreply 18:27:22

• 70 is notright,the best case : 5*70=350,411-350=61,there 30 peop -jinjing- ♀ (48 bytes) () 06/22/2010 postreply 20:19:24

• I'm careless,410 not 411,but the inequolity is good.we can very -jinjing- ♀ (0 bytes) () 06/22/2010 postreply 20:29:24

• fast to get answer.(if the anwser is less than smallest number) -jinjing- ♀ (0 bytes) () 06/22/2010 postreply 20:33:56

• 回複：I'm careless,410 not 411,but the inequolity is good.we can ve -commentate- ♂ (32 bytes) () 06/23/2010 postreply 07:11:14

• 回複：回複：I'm careless,410 not 411,but the inequolity is good.we can -jinjing- ♀ (166 bytes) () 06/23/2010 postreply 09:00:17

• 回複：回複：回複：I'm careless,410 not 411,but the inequolity is good.we -commentate- ♂ (94 bytes) () 06/24/2010 postreply 10:11:47

• 回複：回複：回複：回複：I'm careless,410 not 411,but the inequolity is good. -jinjing- ♀ (204 bytes) () 06/27/2010 postreply 14:37:06