答案是

答案是3

25匹分5组，赛1次；
5个小组第一，赛1次，决出前3，A，B，C；（第一名A已决出）
A小组第2，3；B小组第1，2　和C，　赛1次，　决出真正的第2，3名。

对不对？

谢谢大家。　I　HAD　FUN。　HUHU　LE。。。

所有跟帖： 

• that's 7 -729418- ♀ (0 bytes) () 04/20/2010 postreply 20:03:04

• her logic is wrong. -A-Momy- ♀ (0 bytes) () 04/20/2010 postreply 20:04:23

• Her logic is right, but the number is wrong. -baydad- ♂ (0 bytes) () 04/20/2010 postreply 20:08:53

• wrong logice -A-Momy- ♀ (178 bytes) () 04/20/2010 postreply 20:11:01

• 一盆浆糊。 -漫游68- ♀ (0 bytes) () 04/20/2010 postreply 20:14:42

• lol -A-Momy- ♀ (0 bytes) () 04/20/2010 postreply 20:18:53

• 想反了。 -A-Momy- ♀ (0 bytes) () 04/20/2010 postreply 20:23:59

• 是。假设前提是每匹马每次跑的速度一样。 -漫游68- ♀ (0 bytes) () 04/20/2010 postreply 20:11:27

• Wrong logic, for example -oops_yz- ♀ (97 bytes) () 04/20/2010 postreply 20:39:02

• 5组要塞5次呢。 -A-Momy- ♀ (63 bytes) () 04/20/2010 postreply 20:03:36

• the logic is right, only these horses can be top 3. -729418- ♀ (0 bytes) () 04/20/2010 postreply 20:06:11

• no no. -A-Momy- ♀ (0 bytes) () 04/20/2010 postreply 20:08:03

• doesn't matter, because the first 3 is faster than last two. -janeice65- ♀ (133 bytes) () 04/20/2010 postreply 20:43:54

• Wrong--only 5 lanes available. The 1st round take 5 times. -Morning3evening4- ♂ (0 bytes) () 04/20/2010 postreply 20:04:27

• 还以为你有GS的答案呢：（ -听听意见- ♀ (0 bytes) () 04/20/2010 postreply 20:07:50

• 事实每组只决定一个第一。最后决赛，就认定6次，哈哈。。 -eomom- ♀ (0 bytes) () 04/20/2010 postreply 22:45:07