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6 i, g7 p- j2 _& Q6 Q
将比较重的那份再平均分成两份成一次7 |- t) D* ~' t4 x  R2 [9 `4 S
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# ^: [! q3 P( R
if  (4v4)= same that means the rest of 4 is got more weight
+ _' ]8 z) F- n1 r  [4 ~tvb now,tvbnow,bttvb    then goto 2 - compare rest of(4)  - 2 with 2 # t- x7 X9 I2 b3 I) I
           if (left side is more weight)3 a0 E' a2 x. ^, S
              then goto 3 - compare last (left side of ( 2) - 1 with 1 => get answeros.tvboxnow.com# {7 |0 ?" @) e/ |
          else ( right side is more weight)公仔箱論壇$ ^- E1 H) i6 T: r! I% f- @$ B
              then goto 3 - compare last (right side of (2) - 1 with 1 => get answer
! |! Y% U% L5 ?' @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。