zzzhao

see xia da an

yaukinman

want to know

zb7803

我来看看

lkhlewis

青蓮居士

check ans..

mkl2345

6 and 6 then 3 and 3 then 1 and 1

gg2968

5識答？

pyhzf

thank you

XYZCrux

将12个乒乓球分成平均两份，称一次
) R! g) x7 {2 g9 C3 b, N  x将比较重的那份再平均分成两份成一次
' W$ y; d5 P4 Y$ i4 W7 c3 `' [5 T剩下3个随意拿两个来称，如果天平平衡就是第三个，如果不平衡就是重的那个

wtfka

thank

agnesium

Thanks!

ban0212

第一次系一边四个，一边四个秤既

westgun

1 - compare 4 with 4
9 m! _" m5 L. A  g3 L- T4 utvb now,tvbnow,bttvbif  (4v4)= same that means the rest of 4 is got more weight
+ z* |  L5 z0 }$ [    then goto 2 - compare rest of(4)  - 2 with 2 公仔箱論壇% K0 p8 R$ b4 X8 w" S
           if (left side is more weight)7 w+ P9 i% }- w1 A
              then goto 3 - compare last (left side of ( 2) - 1 with 1 => get answer
$ g% g% ^+ Y5 i  R; x; K, U7 \5 z. X          else ( right side is more weight)5.39.217.76% _/ P- p5 K; `  [% }
              then goto 3 - compare last (right side of (2) - 1 with 1 => get answer
1 n8 ]' n  U: X* h4 s3 M公仔箱論壇else ( the left 4) then compare with above  , or right 4 also can compare above method...

ywl01

想了好久都不行

zhengfaxuezi

我的做法与4楼的做法一致，这样应该可以排除出来。但这个题目有个漏洞，只说重量异常，没说是重了，还是轻了。